/ Dictionary / Index M muskellunge: Meaning and Definition of Find definitions for: mus•kel•lunge Pronunciation: (mus'ku-lunj"), [key] — pl. -lung•es, -lunge. a large game fish, Esox masquinongy, of the pike family, found in the lakes and rivers of eastern and middle western North America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: muskellunge (Thesaurus) Muskegon Heights musket Related Content Daily Word Quiz: vernacular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language