bat·​tal·​ion | \ bə-ˈtal-yən How to pronounce battalion (audio) \

Definition of battalion

1 : a considerable body of troops organized to act together : army
2 : a military unit composed of a headquarters and two or more companies, batteries, or similar units
3 : a large group

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Synonyms for battalion


army, array, host, legion

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Examples of battalion in a Sentence

a battalion of angry protesters the nation's battalions were forced to fight on two fronts simultaneously

Recent Examples on the Web

Under the regular system, women who enlist in the Marine Corps go to Parris Island for their initial three months of recruit training and are assigned to one battalion. Lolita C. Baldor, The Seattle Times, "USMC move to integrate boot camp more ends; future unclear," 30 Mar. 2019 Even before the October attack, the U.S. began to shift away from assisting tactical units on the front lines toward training, advising and assisting farther up the chain of command at the battalion level, Hicks said. Washington Post, "Niger may have arrested militant with ties to US ambush," 17 Apr. 2018 Tom Gresback, a spokesman for the United States military in Afghanistan, said new specialized units were arriving to assist Afghan forces at the battalion level across the country. Mujib Mashal And Taimoor Shah, New York Times, "Taliban Briefly Take Afghan District as Security Worsens," 12 Mar. 2018 The Army will request 48 AH-64 Apache helicopters remanufactured to the new AH-64E Apache Guardian standard, enough for two attack helicopter battalions. Kyle Mizokami, Popular Mechanics, "The Pentagon’s 2020 Budget Asks for Nearly 380 Aircraft, But One Buy Is Raising Eyebrows," 13 Mar. 2019 On Friday, a platoon of about 50 female marines began training side-by-side with the men at the traditionally all-male battalion at a facility in Parris Island, South Carolina. Samantha Leach, Glamour, "An All-Female Marine Platoon Will Finally Train Alongside Men at Boot Camp," 5 Jan. 2019 The battalion's last deployment was to Afghanistan in 2007 as part of Operation Enduring Freedom. Angela Forburger, azcentral, "Girl who cried 'dada' reminder of sacrifice at ceremony for 400 soldiers deploying to Kuwait," 7 July 2018 The battalion is credited by some with helping the Ukrainian military regain key areas. Mansur Mirovalev,, "Deadly attack on Roma community in Ukraine is blamed on neo-Nazi youth," 25 June 2018 Ben Reisz is a retired Army colonel who commanded a sentry dog company, the 595th, which was part of the 504th MP battalion in Vietnam. Kyle Ringo, Houston Chronicle, "San Antonio’s Vietnam Veterans Memorial built with thousands of small contributions," 27 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'battalion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of battalion

1579, in the meaning defined at sense 1

History and Etymology for battalion

Middle French bataillon, from Old Italian battaglione, augmentative of battaglia company of soldiers, battle, from Late Latin battalia combat — more at battle

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Statistics for battalion

Last Updated

12 May 2019

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Time Traveler for battalion

The first known use of battalion was in 1579

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English Language Learners Definition of battalion

: a large organized group of soldiers
: a large organized group of people who act together


bat·​tal·​ion | \ bə-ˈtal-yən How to pronounce battalion (audio) \

Kids Definition of battalion

: a part of an army consisting of two or more companies

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Comments on battalion

What made you want to look up battalion? Please tell us where you read or heard it (including the quote, if possible).


something valued as if it were money

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