/ Dictionary / Index M Mayenne: Meaning and Definition of Find definitions for: Ma•yenne Pronunciation: (ma-yen'), [key] — n. a department in W France. 252,762; 2012 sq. mi. (5210 sq. km). Cap.: Laval. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mayenne (Thesaurus) Mayence Mayer Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language