1. a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range; [syn: mortar, howitzer, trench mortar]
WordNet (r) 3.0 (2006):
trench mortar
n 1: a muzzle-loading high-angle gun with a short barrel that
fires shells at high elevations for a short range [syn:
mortar, howitzer, trench mortar]