/ Dictionary / Index M mustanger: Meaning and Definition of Find definitions for: mus•tang•er Pronunciation: (mus'tang-ur), [key] — n. a person who engages in mustanging. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mustang mustard Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language