/ Dictionary / Index I infantry: Meaning and Definition of Find definitions for: in•fan•try Pronunciation: (in'fun-trē), [key] — pl. -tries. soldiers or military units that fight on foot, in modern times typically with rifles, machine guns, grenades, mortars, etc., as weapons. a branch of an army composed of such soldiers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: infantry (Thesaurus) infantine infantryman Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language