[ kan-uh n ]
/ ˈkæn ən /

noun, plural can·nons, (especially collectively) can·non.

verb (used without object)

to discharge cannon.
British. to make a carom in billiards.

Origin of cannon

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

Can be confused

cannon canon

Definition for cannon (2 of 2)


[ kan-uh n ]
/ ˈkæn ən /


Annie Jump [juhmp] /dʒʌmp/, 1863–1941, U.S. astronomer.
Joseph Gur·ney [gur-nee] /ˈgɜr ni/, Uncle Joe, 1836–1926, U.S. politician and legislator. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cannon

British Dictionary definitions for cannon


/ (ˈkænən) /

noun plural -nons or -non


Word Origin for cannon

C16: from Old French canon, from Italian cannone cannon, large tube, from canna tube, cane 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for cannon


[ kănən ]
Annie Jump 1863-1941

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.