Shoot a Person Out of This at a Circus
Puzzle 14 of Famous Streets Easy Pack
Question is: Shoot a Person Out of This at a Circus
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.