cannon
noun
a large artillery gun that is usually on wheels
heavy gun fired from a tank
(Middle Ages) a cylindrical piece of armor plate to protect the arm
heavy automatic gun fired from an airplane
lower part of the leg extending from the hock to the fetlock in hoofed mammals
Synonymsshanka shot in billiards in which the cue ball contacts one object ball and then the other
Synonymscarom
verb
make a cannon
fire a cannon
Source: WordNet 3.1, Princeton University