Origin of trench mortar
Examples from the Web for trench mortar
Trench-mortar projectiles are so large, and they describe so leisurely an arc before they fall, that men have time to run.Prairie Gold|Various
It was a trench-mortar which blew a hole in his body just now, over there.Now It Can Be Told|Philip Gibbs
Throughout, the crossing was effected under fairly lively machine-gun and trench-mortar fire.
Three 2-inch trench-mortar batteries were formed by the Divisional artillery.
The German who fired the trench-mortar had done better than he knew.A Company of Tanks|W. H. L. Watson