/ Dictionary / Index M marchese: Meaning and Definition of Find definitions for: mar•che•se Pronunciation: (mär-kā'zāIt.mär-ke'ze), [key] — pl. -si an Italian nobleman, equivalent in rank to a marquis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marchesa Marcheshvan Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language