/ Dictionary / Index B battalion: Meaning and Definition of Find definitions for: bat•tal•ion Pronunciation: (bu-tal'yun), [key] — n. a ground force unit composed of a headquarters and two or more companies or similar units. an army in battle array. Often,a large number of persons or things; force: battalions of bureaucrats. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: battalion (Thesaurus) battalia Battani Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language