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noun can·non \ˈka-nən\

: a large gun that shoots heavy metal or stone balls and that was once a common military weapon

: a large automatic gun that is shot from an aircraft

plural cannons or cannon

Full Definition of CANNON

plural usually cannon
a :  a large heavy gun usually mounted on a carriage
b :  a heavy-caliber automatic aircraft gun firing explosive shells
or can·on :  the projecting part of a bell by which it is hung :  ear
:  the part of the leg in which the cannon bone is found

Origin of CANNON

Middle English canon, from Anglo-French, from Old Italian cannone, literally, large tube, augmentative of canna reed, tube, from Latin, cane, reed — more at cane
First Known Use: 15th century

Other Weapons and Explosives Terms

automatic, carbine, cudgel, muzzle, rapier

Rhymes with CANNON



: to suddenly and forcefully hit or move into or against someone or something

Full Definition of CANNON

intransitive verb
:  to discharge cannon
transitive verb
:  cannonade

Examples of CANNON

  1. The ball cannoned off the goalpost and into the net.

First Known Use of CANNON


Other Military Terms

bivouac, logistics, petard, salient, sally, supernumerary, tactical

Rhymes with CANNON


biographical name Can·non \ˈka-nən\

Definition of CANNON

Joseph Gurney 1836–1926 Uncle Joe Am. polit.
CANNON Defined for Kids


noun can·non \ˈka-nən\
plural cannons or cannon

Definition of CANNON for Kids

:  a large heavy weapon consisting mostly of a metal tube that is mounted on wheels and is used for firing cannonballs
Medical Dictionary


noun can·non \ˈkan-ən\

Medical Definition of CANNON

:  the part of the leg in which the cannon bone is found

Illustration of CANNON

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