noun, plural cannons (especially collectively) cannon.
a mounted gun for firing heavy projectiles; a gun, howitzer, or mortar.
British Machinery, quill ( def 10 ).
Armor. a cylindrical or semicylindrical piece of plate armor for the upper arm or forearm; a vambrace or rerebrace.
Also called cannon bit, canon bit. a round bit for a horse.
the part of a bit that is in the horse's mouth.
(on a bell) the metal loop by which a bell is hung.
the part of the leg in which the cannon bone is situated. See diag. under horse.
British. a carom in billiards.
Underworld Slang. a pickpocket.
verb (used without object)
to discharge cannon.
British. to make a carom in billiards.

1375–1425 (earlier in Anglo-Latin, AF); late Middle English canon < Middle French < Italian cannone, equivalent to cann(a) tube (< Latin; see cane) + -one augmentative suffix

cannon, canon. Unabridged


Annie Jump [juhmp] , 1863–1941, U.S. astronomer.
Joseph Gurney [gur-nee] , ("Uncle Joe") 1836–1926, U.S. politician and legislator. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cannon (ˈkænən)
n , pl -nons, -non
1.  an automatic aircraft gun of large calibre
2.  history a heavy artillery piece consisting of a metal tube mounted on a carriage
3.  a heavy tube or drum, esp one that can rotate freely on the shaft by which it is supported
4.  the metal loop at the top of a bell, from which it is suspended
5.  See cannon bone
6.  billiards
 a.  a shot in which the cue ball is caused to contact one object ball after another
 b.  Usual US and Canadian word: carom the points scored by this
7.  a rebound or bouncing back, as of a ball off a wall
8.  either of the two parts of a vambrace
vb (often foll by into)
9.  to collide (with)
10.  short for cannonade
11.  (intr) billiards to make a cannon
[C16: from Old French canon, from Italian cannone cannon, large tube, from canna tube, cane1]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1400, "tube for projectiles," from O.Fr. canon (14c.), from It. cannone "large tube," augmentive of L. canna "reed, tube" (see cane). Cannon fodder (1891) translates Ger. kanonenfutter (cf. Shakespeare's food for powder in "I Hen. IV"). Spelling not differentiated from canon
till c.1800. Cannon ball is from 1660s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
Cannon   (kān'ən)  Pronunciation Key 
American astronomer noted for her work on classifying stellar spectra. Cannon classified the spectra of 225,300 stars brighter than magnitude 8.5, as well as 130,000 fainter stars.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences for Cannon
As a little child fritz was awakened each morning by the firing of a cannon.
It is sometimes also claimed that he built or developed the first guns or cannon.
Image for Cannon
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