nounpl. -·nons or -·non
- a large, mounted piece of artillery; sometimes, specif., a large gun with a relatively short barrel, as a howitzer
- an automatic gun, mounted on an aircraft
- a part on a bell by which it is hung
- cannon bone
- Mech. a hollow tube within which a shaft revolves independently of the outer tube
- Brit., Billiards carom
Origin of cannonMiddle English and Old French canon from Italian cannone from canna: see cane; in cannonnoun and transitive verb, intransitive verb, altered from carom
- to attack with cannon fire
- Brit. to cause to carom
- to fire cannons
- Brit. to make a carom
nounpl. cannon, or can·nons
- A large mounted weapon that fires heavy projectiles. Cannon include guns, howitzers, and mortars.
- The loop at the top of a bell by which it is hung.
- A round bit for a horse.
- Zoology The section of the lower leg in some hoofed mammals between the hock or knee and the fetlock, containing the cannon bone.
- Chiefly British A carom made in billiards.
verbcan·noned, can·non·ing, can·nons
- To bombard with cannon.
- Chiefly British To cause to carom in billiards.
- To fire cannon.
- Chiefly British To make a carom in billiards.
Origin of cannonMiddle English canon from Old French from Old Italian cannone augmentative of canna tube from Latin reed ; see cane .
(plural cannon or cannons)
- 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. It may include muzzle appendages.
- A large-bore machine gun.
- A bone of a horse's leg, between the fetlock joint and the knee or hock.
- (historical) A large muzzle-loading artillery piece.
- (sports, billiards, snooker, pool) A carom.
- In English billiards, a cannon is when one's cue ball strikes the other player's cue ball and the red ball on the same shot; and it is worth two points.
- (baseball, figuratively, informal) The arm of a player that can throw well.
- He's got a cannon out in right.
- (engineering) A hollow cylindrical piece carried by a revolving shaft, on which it may, however, revolve independently.
- (printing) Alternative form of canon. (a large size of type)
The unchanged plural is preferred in Great Britain and Ireland, while North Americans tend to use the regular plural cannons.
(third-person singular simple present cannons, present participle cannoning, simple past and past participle cannoned)
This spelling was not fixed until about 1800.