trench mortar

trench mortar

n. A mortar usually ranging from 3 to 9.45 inches in caliber, designed for use in forward positions, especially in trenches.

trench mortar

n (Firearms, Gunnery, Ordnance & Artillery) a portable mortar used in trench warfare to shoot projectiles at a high trajectory over a short range

Thesaurus

Noun

1.

trench mortar - a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short rangehowitzer, mortarhigh-angle gun - a cannon that can be fired at a high elevation for relatively short ranges