/ Dictionary / Index M Minigun: Meaning and Definition of Find definitions for: Min•i•gun Pronunciation: (min'ē-gun"), [key] — n. a U.S. aircraft machine gun consisting of a rotating cluster of six barrels using 7.62mm ammunition and capable of variable rates of fire of up to 6000 rounds per minute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. minify minikin Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language