/ Dictionary / Index M musket: Meaning and Definition of Find definitions for: mus•ket Pronunciation: (mus'kit), [key] — n. a heavy, large-caliber smoothbore gun for infantry soldiers, introduced in the 16th century: the predecessor of the modern rifle. the male sparrow hawk, Accipiter nisus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: musket (Thesaurus) muskellunge musketeer Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language