Trench

Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuate group of volcanic islands
Found on http://life.bio.sunysb.edu/marinebio/glossary.tuvwxyz.html

Trench

A long narrow submarine DEPRESSION with relatively steep sides.
Found on http://www.ecy.wa.gov/programs/sea/swces/products/glossary.htm

trench

[n] - a long steep-sided depression in the ocean floor 2. [n] - any long ditch cut in the ground 3. [n] - a ditch dug as a fortification having a parapet of the excavated earth 4. [v] - fortify by surrounding with trenches 5. [v] - cut or carve deeply into 6. [v] - set, plant, or bury in a trench 7. [v] - cut a trench...
Found on http://www.webdictionary.co.uk/definition.php?query=trench

trench

1. A long, narrow cut in the earth; a ditch; as, a trench for draining land. ... 2. An alley; a narrow path or walk cut through woods, shrubbery, or the like. 'In a trench, forth in the park, goeth she.' (Chaucer) ... 3. An excavation made during a siege, for the purpose of covering the troops as they advance toward the besieged place. The term inc...
Found on http://www.encyclo.co.uk/local/20973

trench

noun a ditch dug as a fortification having a parapet of the excavated earth
Found on http://wordnetweb.princeton.edu/perl/webwn?s=trench

Trench

• (v. i.) To encroach; to intrench. • (v. t.) To cut furrows or ditches in; as, to trench land for the purpose of draining it. • (v. i.) To have direction; to aim or tend. • (v. t.) An alley; a narrow path or walk cut through woods, shrubbery, or the like. • (v. t.) An excavation made during a siege, for the purpose of cove...
Found on http://thinkexist.com/dictionary/meaning/trench/

trench

(from the article `coal mining`) Area mining, applied where the terrain is flat, commences with a trench or `box cut` made through the overburden to expose a portion of the coal ... ...program. Several exploration techniques are used, depending on the type of deposit and its proximity to the surface. When the top of a deposit ...
Found on http://www.britannica.com/eb/a-z/t/76

Trench

Badly eroded trail in which the user travels in a ditch that may be knee deep or deeper.
Found on http://www.americantrails.org/

trench

trench: see ocean.
Found on http://www.infoplease.com/ce6/sci/A0919732.html

Trench

A trench is a form of fortification employed by cutting a ditch, and raising a rampart or breastwork with the earth thrown up out of the ditch and used to protect troops from the enemy's fire.
Found on http://www.probertencyclopaedia.com/browse/FT.HTM

Trench

Long, narrow arcuate depression in the seabed which results from the bending of the lithospheric plate as it descends into the mantle at a subduction zone.
Found on http://earthquakescanada.nrcan.gc.ca/info-gen/glossa-eng.php

Trench

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 to its length (as opposed to a simple hole). In geology, trenches are created as a result of erosion by rivers or by geological movement of tectonic plates. In the civil engineering field...
Found on http://en.wikipedia.org/wiki/Trench

trench

A submarine valley.
Found on http://www.quick-facts.co.uk/earth/glossary.html

trench

Along, narrow, steep-walled, often arcuate depression in the ocean floor, much deeper than the adjacent ocean and associated with a subduction zone .
Found on http://www.ge-at.iastate.edu/glossary-of-geologic-terms/

trench

A long and narrow deep trough in the sea floor; interpreted as marking the line along which a plate bends down into a subduction zone.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

Trench

A long and narrow deep trough in the sea floor
Found on http://www.encyclo.co.uk/local/22392

Trench

A long, narrow, deep depression in the ocean floor that parallels a convergent boundary involving at
Found on http://www.encyclo.co.uk/local/22392

Trench

Deep and sinuous depression in the ocean floor, usually seaward of a continental margin or an arcuat
Found on http://www.superglossary.com/Glossary/Science/Marine_Biology/

Trench

A long narrow housing, commonly used in the construction of stairs to join the treads to the strings.
Found on http://www.woodworkersuk.co.uk/blog/carpentry-and-joinery-glossary/carpentr

Trench

A long, narrow excavation dug through overburden, or blasted out of rock, to expose a vein or ore structure.
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/
No exact match found