Examples of Trench in a sentence. 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). Copyright © 2011. It took several soldiers to dig the narrow trench in the sand, but when they were done they were all … These defensive positions continued until it formed a trench line. When a continental plate converges with an oceanic plate a subduction zone forms. A trench is a defensive fighting position. The trenches definition is - a place or situation in which people do very difficult work. The Mariana Trench is part of the Izu-Bonin-Mariana subduction system that forms the boundary between two tectonic plates. Published by Houghton Mifflin Harcourt Publishing Company. 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]. The heavier oceanic plate subducts beneath the lighter continental plate forming a trench. 4. [ trĕnch ] A long, steep-sided valley on the ocean floor. 1. 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. 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. You don't bag something and leave it by the trench while you go back to the truck for your lunch. Find more ways to say trench, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. (Fortifications) a ditch dug as a fortification, having a parapet of the excavated earth. [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. Are you learning Spanish? This is typically done to install depressed motorways, open railway cuttings, or canals. Trenches have also often been dug for military defensive purposes. Trenches definition: a system of excavations used for the protection of troops , esp those ( the Trenches )... | Meaning, pronunciation, translations and examples 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. 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). Trenches form when one tectonic plate slides beneath another plate at a subduction zone. Seafloor showing different areas of the seafloor including a trench NOAA 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. With the advent of accurate firearms, trenches were used to shelter troops. The guys that I was partnering with early on wanted the logo to be a guy opening his trench coat. 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. A crime ridden area or hood known for its crimes and violence. 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. Trench Definition from Science & Technology Dictionaries & Glossaries. 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"). 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. Another word for trench. a long, narrow hole in the ground, that is usually deep and has a purpose. 2 technical a long narrow valley in the ground beneath the sea 3 In the civil engineering field of construction or maintenance of infrastructure, trenches play a major role. a system of such excavations, with their embankments, etc. Definition of Trench. a ditch dug as a fortification, having a parapet of the excavated earth. A long, steep-sided valley on the ocean floor. “Affect” vs. “Effect”: Use The Correct Word Every Time. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Biology Dictionaries. The War surged from defense to attack from 1914 to 1918. a long narrow excavation in the earth. 3. to make a trench in (a place) 4. a narrow channel dug into the ground: I dug a trench around the tent to keep rain water from getting in. A few paces ahead, the trench was crossed by a bridge (closed by a wicket gate) which connected the garden with the park. The American Heritage® Science Dictionary As a last name Trench was the 39,281 st most popular name in 2010.; How unique is the name Trench? English clergyman and scholar, born in Ireland. 1. a deep ditch or furrow. (informal) A trench coa… Now, let’s return to the trenches and talk about what’s going on up front. 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. How… The blue lines represent trenches within the Ring of Fire. Ranch owner Kevin Halverson, 70, spent the morning shoveling snow out of the trench. 6. 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. 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