An army unit typically consisting of a headquarters and two or more companies, batteries, or similar subunits.(noun)
A large body of organized troops.(noun)
A great number: battalions of ants. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "battalion" in a sentence
"Of course we were all very concerned, but to our great satisfaction, he said at the end of the day, "Haldenby, your battalion is all right", and walked off."
"Many hands make lighter work, said Staff Sgt. Joel Mabry of Cullman, Ala., who is deployed with an engineering battalion from the Alabama National Guard."
"The battalion is part of the 19,000-soldier 3rd Infantry, the first Army division to be tapped for a third tour of duty in Iraq."