Heavy Artillery That Fires Iron Balls or Shot
This page is the CodyCross answer for the clue below from World of Books, Group 292, Puzzle 4 (Acquisition Planning).
Question is: Heavy Artillery That Fires Iron Balls or Shot
and the answer is: CANNON
Word Meaning:
CANNON — A complete assembly, consisting of an artillery tube and a breech mechanism, firing mechanism or base cap, which is a component of a gun, howitzer or mortar, which may include muzzle appendages.
Definitions from Wiktionary.