/ Dictionary / Index S Seine-et-Marne: Meaning and Definition of Find definitions for: Seine-et-Marne Pronunciation: (sān'ā-märn' Fr. sen-ā-marn'), [key] — n. a department in N France. 755,762; 2290 sq. mi. (5930 sq. km). Cap.: Melun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seine Seine-et-Oise Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language