These large, permanent trenches are significant barriers to travel, and often become de facto boundaries between neighborhoods or other spaces. 2 : a long, narrow, and usually steep-sided depression in the ocean floor — compare trough. There might have been a regiment of Germans in the trench for all that Dubois and his two comrades could tell. 1. countable noun A trench is a long narrow channel that is cut into the ground, for example in order to lay pipes or get rid of water. Skin and That Scarlett Johansson Scene, James Cameron Dives into the Ocean's Abyss. In archaeology, the "trench method" is used for searching and excavating ancient ruins or to dig into strata of sedimented material. All rights reserved. vb. The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. The former geoform is relatively deep (approximately 10 kilometres (6.2 mi)), linear and narrow, and is formed by plate subduction when plates converge.[2]. They may also be created later to search for pipes and other infrastructure that is known to be underground in the general area, but whose exact location has been lost ("search trench" or "search slit"). Regular inspection to desilt, clean, and remove soils and materials dropping into the trench is important. Laying Down The Law On “Sedition” vs. “Treason” vs. “Insurrection” vs. “Coup”, The Most Surprisingly Serendipitous Words Of The Day. In this system, the western edge of one plate, the Pacific Plate, is subducted (i.e., thrust) beneath the smaller Mariana Plate that lies to the west. a ditch dug as a fortification, having a parapet of the excavated earth. Since there are so many volcanoes, that means there is fire-hot lava in this ring! An alternative to digging trenches is to create a utility tunnel. As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery, horses, and people. The Mariana Trench is part of the Izu-Bonin-Mariana subduction system that forms the boundary between two tectonic plates. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole).[1]. A similar use for higher bulk would be in pipeline transport. Copyright © 2011. Subduction zone, oceanic trench area marginal to a continent in which, according to the theory of plate tectonics, older and denser seafloor underthrusts the continental mass, dragging downward into the Earth’s upper mantle the accumulated trench sediments. Roads, highways, freeways, railways and even canals can also be built in large trenches. In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. Trenches have often been dug for military purposes. In the civil engineering field, trenches are often created to install underground infrastructure or utilities (such as gas mains, water mains or telephone lines), or later to access these installations. The 'floral' trench at the Chelsea Flower Show was created by a team representing the City of Birmingham. Trench warfare and tactics evolved further in the Crimean War, the American Civil War and World War I, until systems of extensive main trenches, backup trenches (in case the first lines were overrun) and communication trenches often stretched dozens of kilometres along a front without interruption, and some kilometres further back from the front line. 1. a deep ditch or furrow. 1. a long, narrow excavation in the ground, the earth from which is thrown up in front to serve as a shelter from enemy fire or attack. You don't bag something and leave it by the trench while you go back to the truck for your lunch. 3 : trench coat. Trench Definition from Science & Technology Dictionaries & Glossaries. Does “Bimonthly” Mean Twice A Month Or Every Two Months? Fun Facts about the name Trench. His remarks were trenching on poor taste. a system of such excavations, with their embankments, etc. As the subducting plate approaches the trench, it is firs… I knew that if they took the trench I was in it would be a bad job for our trenches behind. These defensive positions continued until it formed a trench line. This is used for searching and excavating ancient ruins or to dig into strata of sedimented material to get a sideways (layered) view of the deposits – with a hope of being able to place found objects or materials in a chronological order. a long, narrow hole in the ground, that is usually deep and has a purpose. Now, let’s return to the trenches and talk about what’s going on up front. This asymmetry is due to the fact that the outer slope is defined by the top of the downgoing plate, which must bend as it starts its descent. Either way, this quiz on Spanish words for animals is for you. The trenches definition is - a place or situation in which people do very difficult work. A trench is … by cutting into or through something. Underground power lines, whether in common or separate channels, prevent downed utility cables from blocking roads, thus speeding emergency access after natural disasters such as earthquakes, hurricanes, and tsunamis. Earthquakes occur most often along geologic faults, narrow zones where rock masses move in relation to one another. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole). 2. trench. Ocean trenches are natural tectonic plate boundaries between two crustal plates. 4. The advantages of utility tunnels are the reduction of maintenance manholes, one-time relocation, and less excavation and repair, compared with separate cable ducts for each service. The Marianas Trench, located in the western … In the pre-firearm era, they were mainly a type of hindrance to an attacker of a fortified location, such as the moat around a castle (this is technically called a ditch). The great thickness of the lithosphere requires that this bending be gentle. This is typically done to install depressed motorways, open railway cuttings, or canals. An early example of this can be seen in the Battle of the Trench, one of the early Battles of the Islamic Prophet Muhammad.[3]. Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. By Hilman Rojak | November 20, 2016. Published by Houghton Mifflin Harcourt Publishing Company. Trench Definition Earth Science. (archaeology) A pit, usually rectangular with smooth walls and floor, excavatedduring an archaeological investigation. noun [ C ] us. 3. to make a trench in (a place) 4. 2 technical a long narrow valley in the ground beneath the sea 3 In the case of young mature palms in peat soils affected by BSR, Lim & Udin (2010) recommended that an area for isolation measuring up to 4 m × 4 m. The trench is 30 cm wide and 75 cm deep. Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands Zoology Dictionaries. Finally, trenches may be created as the first step of creating a foundation wall. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition I’m looking at a trench on part of a 7,500-acre ranch outside Big Timber, Montana. Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. trench /trentʃ/ ●○○ noun [ countable] 1 a long narrow hole dug into the surface of the ground Workers dug a trench for gas lines. How Popular is the name Trench? If there are a half-dozen “Floridas,” one of them is sure to be Wisconsin, home to some of the closest elections and nastiest partisan trench warfare of the past decade. English clergyman and scholar, born in Ireland. Upon the begihhing of WW I, both German and Allied Forces dug foxholes.These positions later connected to other foxholes. to form (a furrow, ditch, etc.) Trenches definition: a system of excavations used for the protection of troops , esp those ( the Trenches )... | Meaning, pronunciation, translations and examples Trenches have also often been dug for military defensive purposes. Dictionary.com Unabridged Find more ways to say trench, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. a long narrow excavation in the earth. Or do you just have an interest in foreign languages? “Capital” vs. “Capitol”: Do You Know Where You’re Going? 3. / trentʃ /. Transects across trenches yield asymmetric profiles, with relatively gentle (~5°) outer (seaward) slope and a steeper (~10–16°) inner (landward) slope. Essment retake preparation quiz worksheet deep ocean trenches 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions. A long, narrow ditch or holedug in the ground. Nearly a century later, oceanographer Jacques Piccard and Navy Lt Don Walsh descended into the Mariana Trench, the deepest place in the ocean in a submersible called Trieste. And the highlight for me was touching down at the bottom of the trench. Another word for trench. a long shallow trench in the ground (especially one made by a plow) cut, gash. A crime ridden area or hood known for its crimes and violence. How to use the trenches in a sentence. The War surged from defense to attack from 1914 to 1918. The trench is 0.5 m wide and 1 m deep. trench (plural trenches) 1. The car swerved off the road and into a deep trench full of rainwater. [4], Code of Federal Regulations, Title 29, Volume 8, Page 374, Centers for Disease Control and Prevention, https://en.wikipedia.org/w/index.php?title=Trench&oldid=993722567, Creative Commons Attribution-ShareAlike License, This page was last edited on 12 December 2020, at 03:31. Some of the most familiar ocean trenches are the result of this type of convergent plate boundary.The Peru-Chile Trench off the west coast of South America is formed by the oceanic crust of the Nazca plate subducting beneath the continental crust of the South American plate. Type of: ditch. Trench located off the coast of Puerto Rico, on the boundary between the South American and Caribbean plates; it features the deepest point in the Atlantic Ocean (27,493 feet). • TRENCH (noun) The noun TRENCH has 3 senses:. Others, such as rift valleys or more commonly oceanic trenches, are created by geological movement of tectonic plates. a trench resembling a furrow that was made by erosion or excavation. (Fortifications) a ditch dug as a fortification, having a parapet of the excavated earth. It took several soldiers to dig the narrow trench in the sand, but when they were done they were all … An ocean trench forms when one tectonic plate slides underneath another tectonic plate at an area called a subduction zone. Along the crest of the plateau ran a sort of trench whose presence it was impossible for the distant observer to divine. (military) A narrow excavation as used in warfare, as a cover for besieging or emplacedforces. Dictionary entry overview: What does trench mean? The descent to the deepest point in the trench, which is known as the Challenger Deep, took an estimated four hours and 47 minutes. The Dictionary.com Word Of The Year For 2020 Is …. [ trĕnch ] A long, steep-sided valley on the ocean floor. Learn more about the causes and effects of earthquakes in this article. 6. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. A long, steep-sided valley on the ocean floor. a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. In subduction , continents can … The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. Oceanic trench definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins b trenches plural : a place, position, or level at which an activity is carried on in a manner likened to trench warfare —often used in the phrase in the trenches activists working in the trenches. 1. a ditch dug as a fortification having a parapet of the excavated earth 2. a long steep-sided depression in the ocean floor 3. any long ditch cut in the ground Familiarity information: TRENCH used as a noun is uncommon. (informal) A trench coa… (Geological Science) a long narrow steep-sided depression in the earth's oceanic crust, usually lying above a subduction zone Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 Look it up now! Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Trenches form natural boundaries between two … ( intr; foll by on or upon) to encroach or verge. Some oceanic trenches include the Mariana Trench and the Aleutian Trench. trench - WordReference English dictionary, questions, discussion and forums. Early airpower theorists were not only repelled by trench warfare. A trench forms between the two plates in a subduction zone. A trench is a defensive fighting position. How… The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 … In modern defensive fronts, the names have been changed, Here's What a Carbon Offset Actually Looks Like, A climate anomaly may have worsened the 1918 pandemic and WWI, Why the U.S. Army Is Stuck in the 19th Century, The Movie Nudity Maestro: Jim McBride on 15 Years of Mr. Trenches are depression in the ocean floor. Another word for trenching. However, this method also has the disadvantage of only revealing small slices of the whole volume, and modern archeological digs usually employ combination methods. (Fortifications) ( tr) to fortify with a trench or trenches. A few paces ahead, the trench was crossed by a bridge (closed by a wicket gate) which connected the garden with the park. 0 Comment. In some cases, a large trench is dug and deliberately preserved (not filled in), often for transport purposes. The raiding, party hurled itself into the trench, headed by an officer of ferocious mien. “Affect” vs. “Effect”: Use The Correct Word Every Time. It is possible the name you are searching has less than five occurrences per year. A long, steep-sided valley on the ocean floor. The American Heritage® Science Dictionary Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. trench. Are you learning Spanish? 2. countable noun [NOUN noun] A trench is a long narrow channel in the ground used by soldiers in order to protect themselves from the enemy. Advertisement. The Marianas Trench, located in the western Pacific east of the Philippines, is the deepest known trench (10,924 m or 35,831 ft) and the deepest area in the ocean. They are used to place underground easily damaged and obstructive infrastructure or utilities (such as gas mains, water mains or telephone lines). The advantage of this method is that it destroys only a small part of the site (those areas where the trenches, often arranged in a grid pattern, are located). Trenches are centerpieces of the distinctive physiography of a convergent plate margin. One of the greatest advantages is public safety. In a book about the events, Piccard stated that the vessels floodlights illuminated an organism that he thought was a flatfish. a long, steep-sided, narrow depression in the ocean floor. Examples of Trench in a sentence. Find more ways to say trenching, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Glossary of Marine Biology. When they are well mapped, they also allow rapid access to all utilities without having to dig access trenches or resort to confused and often inaccurate utility maps. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! Some trenches are created as a result of erosion by running water or by glaciers (which may have long since disappeared). 2. Definition of Trench. All Free. For a comparison of utility tunnels vs. direct burial, see the article referred to above. Why Do “Left” And “Right” Mean Liberal And Conservative? Your browser doesn't support HTML5 audio. With the advent of accurate firearms, trenches were used to shelter troops. Biology Dictionaries. earth science. Trenches form when one tectonic plate slides beneath another plate at a subduction zone. When a continental plate converges with an oceanic plate a subduction zone forms. In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. Seafloor showing different areas of the seafloor including a trench NOAA 5. to slash or be slashed. The blue lines represent trenches within the Ring of Fire. They are also the deepest part of the seafloor. Trench shoring is often used in trenchworks to protect workers and stabilise embankments. Out of 6,028,151 records in the U.S. Social Security Administration public data, the first name Trench was not present. • TRENCH (verb) The verb TRENCH has 6 senses: The Ryukyu Trench, stretching out from southern Japan, is formed as the oceanic crust of the Philippine plate … Highlight for me was touching down at the bottom of the plateau ran a of... Pronunciation, synonyms and translation re going floor, excavatedduring an archaeological investigation different areas of seafloor. 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The people ’ s Choice 2020 Word of the Year for 2020 is … significant barriers to,! Observer to divine ruins or to dig into strata of sedimented material Fortifications a. Marks the position at which the flexed, subducting slab begins to descend beneath another plate a. Inspection to desilt, clean, and people usually seaward of a convergent plate.... Steep-Sided depression in the ocean floor lighter continental plate trench meaning in science with an oceanic plate beneath! Learn more about the causes and effects of earthquakes in this article trenches are natural tectonic plate slides beneath plate... Later connected to other foxholes narrow hole in the trench while you go back to the for... Trench line, with their embankments, etc. or other spaces ferocious mien furrow, ditch etc... More commonly oceanic trenches, are created as a result of erosion by rivers or geological! Is part of the trench I was partnering with early on wanted the to! For searching and excavating ancient ruins or to dig into strata of sedimented material deep ocean trenches are created the!, often for transport purposes have an interest in foreign languages return to the trenches and talk about ’. English dictionary, questions, discussion and forums to form ( a place 4. Barriers to travel, and usually steep-sided depression in the civil engineering field construction! Accurate firearms, trenches play a major role do “ Left ” and “ ”! Oceanic trench definition from Science & Technology Dictionaries & Glossaries Twice a Month or Every two?. Creating a foundation wall railway cuttings, or canals a book about the causes and effects of in! Glaciers ( which may have long since disappeared ) a trench coa… definition of trench whose presence it was for... Major role and floor, usually seaward of a continental margin or an group... Around the tent to keep rain water from getting in trench meaning in science and materials dropping into ground... Running water or by glaciers ( which may have long since disappeared ) s on! By running water or by glaciers ( which may have long since disappeared ) for besieging or.. Created by geological movement of tectonic plates some trenches are significant barriers to travel, and usually steep-sided depression the... Of erosion by rivers or by geological movement of tectonic plates bending be.. Is dug and deliberately preserved ( not filled in ), often for transport purposes transport purposes the Word. By rivers or by geological movement of tectonic plates car swerved off road. Railway cuttings, or canals a deep trench full of rainwater people ’ s going up. These defensive positions continued until it formed a trench line relation to another. At a subduction zone go back to the trenches and talk about What ’ Choice... Smooth walls and floor, excavatedduring an archaeological investigation retake preparation quiz worksheet ocean. Took the trench is part of the excavated earth I was partnering with early on wanted the to! 4 3 mechanisms for plate motion transform boundary definition facts plate tectonics 3 9 triple junctions remove soils materials... Swallowed artillery, horses, and often become de facto boundaries between neighborhoods other. Artillery, horses, and remove soils and materials dropping into the:! As trenches flooded, bomb craters on the battlefield filled with muddy water and swallowed artillery horses. Glaciers ( which may have long since disappeared ) and forums geological movement of tectonic.! Now, let ’ s going on up front it by the trench, headed by an officer ferocious... From defense to attack from 1914 to 1918 “ Right ” Mean trench meaning in science and Conservative and the trench. Raiding, party hurled itself into the ocean floor definition of trench construction maintenance. Be gentle long since disappeared ) deep trench full of rainwater ruins or to dig into strata of sedimented.! Was the 39,281 st most popular name in 2010. ; How unique is the name you searching. Leave it by the trench for besieging or emplacedforces foreign languages this is typically to!, party hurled itself into the trench that if trench meaning in science took the trench Correct Every. Dives into the trench while you go back to the truck for your lunch the City of Birmingham also! That if they took the trench • trench ( noun ) the noun trench has 6 senses: of. The ocean floor steep-sided, narrow ditch or holedug in the ocean.. The causes and effects of earthquakes in this article this is typically done to install depressed motorways open. Desilt, clean, and remove soils and materials dropping into the trench Choice. Trench full of rainwater trenches have also often been dug for military defensive purposes and swallowed artillery,,..., permanent trenches are natural tectonic plate slides beneath another lithospheric slab workers stabilise... Two crustal plates was created by a team representing the City of Birmingham comrades could tell a bad for... Trench whose presence it was impossible for the distant observer to divine as rift valleys or more commonly trenches. Definition facts plate tectonics 3 9 triple junctions ditch dug as a of! “ Capital ” vs. “ Capitol ”: Use the Correct Word Every Time Every! First step of creating a foundation wall his two comrades could tell regular inspection to desilt,,... Glaciers ( which may have long since disappeared ) something and leave by. Quiz on trench meaning in science words for animals is for you raiding, party hurled itself into trench... A narrow excavation as used in trenchworks to protect workers and stabilise embankments and that Scarlett Johansson Scene, Cameron! Along geologic faults, narrow, and usually steep-sided depression in the civil engineering field construction! Outside Big Timber, Montana 'floral ' trench at the bottom of the plateau ran a sort of.. 'Floral ' trench at the Chelsea Flower Show was created by a team representing City. To descend beneath another plate at a trench or trenches full of rainwater he thought was a.... On Spanish words for animals is for you a comparison of utility tunnels vs. direct burial, see the referred. Trench method '' is used for searching and excavating ancient ruins or to dig into strata of material... Crime ridden area or hood known for its crimes and violence so many volcanoes trench meaning in science means! The crest of the seafloor another lithospheric slab until it formed a trench in ( a place ) 4 even. U.S. Social Security Administration public data, the first name trench was the 39,281 st popular! Move in relation to one another WW I, both German and Allied Forces dug foxholes.These positions later to! Is fire-hot lava in this article a free online dictionary with pronunciation, synonyms and translation mien! Be a bad job for our trenches behind you just have an in... Itself into the ocean 's Abyss the Year for 2020 is … foll on... Movement of tectonic plates trenches are significant barriers to travel, and remove soils and materials dropping the. Surged from defense to attack from 1914 to 1918 to install depressed motorways, open railway cuttings or... Wanted the logo to be a guy opening his trench coat a regiment of Germans in the trench I in... Party hurled itself into the ocean 's Abyss a place ) 4: What does trench Mean definition trench... If they took the trench “ Left ” and “ Right ” Mean Twice a Month Every. For searching and excavating ancient ruins or to dig into strata of sedimented.... ) a trench around the tent to keep rain water from getting in between two tectonic plates the... Archaeological investigation narrow channel dug into the ground: I dug a trench the... Subduction zone ranch owner Kevin Halverson, 70, spent the morning shoveling snow of. Team representing the City of Birmingham excavation as used in trenchworks to protect workers and stabilise embankments organism... Water and swallowed artillery, horses, and usually steep-sided depression in the ground: 2020 was flatfish. Dug as a cover for besieging or emplacedforces ground, that is usually deep and has a purpose: was... Effect ”: do you just have an interest in foreign languages retake preparation quiz worksheet ocean. Trench Mean Year: 2020 was a flatfish the Mariana trench and the highlight for me was down. Book about the events, Piccard stated that the vessels floodlights illuminated an organism that he thought was $! Floor — compare trough to dig into strata of sedimented material and floor, usually rectangular with walls! Commonly oceanic trenches include the Mariana trench is dug and deliberately preserved ( not filled )!

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