/ Dictionary / Index M Mandan: Meaning and Definition of Find definitions for: Man•dan Pronunciation: (man'dan, -dun), [key] — n. a member of a Siouan people of North Dakota. the Siouan language of the Mandan Indians. Man•dan Pronunciation: (man'dun), [key] — n. a city in S North Dakota, near Bismarck. 15,513. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mandamus mandarin Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language