[ buh-tal-yuh n ]
/ bəˈtæl yən /


Military. a ground force unit composed of a headquarters and two or more companies or similar units.
an army in battle array.
Often battalions. a large number of persons or things; force: battalions of bureaucrats.

Origin of battalion

1580–90; < Middle French bataillon < Italian battaglione large squadron of soldiers, equivalent to battagli(a) battalia + -one augmentative suffix

Related forms

sub·bat·tal·i·on, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for battalion

British Dictionary definitions for battalion


/ (bəˈtæljən) /


a military unit comprised of three or more companies or formations of similar size
(usually plural) any large array

Word Origin for battalion

C16: from French bataillon, from Old Italian battaglione, from battaglia company of soldiers, battle
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