See also: Cannon


A cannon (artillery piece)


Attested from around 1400 as Middle English canon, from Middle French canon, from Italian cannone, from Latin canna, from Ancient Greek κάννα (kánna, reed), from Akkadian 𒄀 (qanû, reed), from Sumerian 𒄀𒈾 ( Doublet of canyon.

This spelling was not fixed until about 1800.[1][2]



cannon (countable and uncountable, plural (mainly UK) cannons or cannon)[3]

  1. 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.[4]
  2. Any similar device for shooting material out of a tube.
    water cannon
    glitter cannon
    1. (military, aviation) An autocannon.
  3. A bone of a horse's leg, between the fetlock joint and the knee or hock.
  4. A cannon bit.
  5. (historical) A large muzzle-loading artillery piece.
  6. (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.
  7. (baseball, figuratively, informal) The arm of a player that can throw well.
    He's got a cannon out in right.
  8. (engineering) A hollow cylindrical piece carried by a revolving shaft, on which it may, however, revolve independently.
  9. (printing, uncountable) Alternative form of canon (a large size of type)
  10. (xiangqi) A piece which moves horizontally and vertically like a rook but captures another piece by jumping over a different piece in the line of attack.

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Related termsEdit


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.