trench mortar

noun
  1. a portable, muzzle-loaded mortar, usually having a smooth bore, fired at high angles of elevation to reach concealed enemy targets.

Origin of trench mortar

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trench mortar

Historical Examples of trench mortar


British Dictionary definitions for trench mortar

trench mortar

noun
  1. a portable mortar used in trench warfare to shoot projectiles at a high trajectory over a short range
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