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trench knife

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noun
a short knife for stabbing, sometimes equipped with brass knuckles as a guard, used in modern warfare in hand-to-hand combat.
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Origin of trench knife

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use trench knife in a sentence

British Dictionary definitions for trench knife

trench knife

noun
a double-edged steel knife, often with a guard in the form of a knuckle-duster, designed for close combat

Word Origin for trench knife

C20: so called because such knives were carried by patrols in the Trenches during World War I
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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