Short Cannon for Firing at High Trajectories

Puzzle 18 of Hand Sports Medium Pack

Question is: Short Cannon for Firing at High Trajectories

and the answer is: HOWITZER

Word Meaning:

HOWITZER — A cannon that combines certain characteristics of field guns and mortars, delivering projectiles with medium velocities, usually with relatively high trajectories; normally a cannon with a tube length of 20 to 30 calibers.

Definitions from Wiktionary.