battalion

noun

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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Five engines, two trucks, one squad, three ambulances, and three battalion chiefs assisted in fighting the fire. Pioneer Press, Chicago Tribune, 8 July 2025 Two battalion chiefs were killed, and one engineer was injured in the attack. Corina Vanek, AZCentral.com, 3 July 2025 The battalion of lights, set up for a photo shoot set to happen later that day. David Fear, Rolling Stone, 21 June 2025 The picture is similar at the Fire Department, where the top ten each earned over $500,000, led by the battalion chief with $905,060. John Hart, Oc Register, 25 June 2025 See All Example Sentences for battalion

Word History

Etymology

Middle French bataillon, from Old Italian battaglione, augmentative of battaglia company of soldiers, battle, from Late Latin battalia combat — more at battle entry 1

First Known Use

1579, in the meaning defined at sense 1

Time Traveler
The first known use of battalion was in 1579

Browse Nearby Words

Cite this Entry

“Battalion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/battalion. Accessed 15 Jul. 2025.

Kids Definition

battalion

noun
bat·​tal·​ion bə-ˈtal-yən How to pronounce battalion (audio)
1
: a large body of troops : army
2
: a military unit composed of two or more smaller units (as companies or batteries)
3
: a large body of persons organized to act together

More from Merriam-Webster on battalion

Last Updated: - Updated example sentences
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