/ Dictionary / Index H Hauts-de-Seine: Meaning and Definition of Find definitions for: Hauts-de-Seine Pronunciation: (ō-du-sen'), [key] — n. a department in N France. 1,438,930; 63 sq. mi. (163 sq. km). Cap.: Nanterre. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Haut-Rhin haüynite Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language