/ Dictionary / Index M Marcy: Meaning and Definition of Find definitions for: Mar•cy Pronunciation: (mär'sē), [key] — n. a mountain in NE New York: highest peak of the Adirondack Mountains, 5344 ft. (1629 m). a female given name, form of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Marcuse Mar del Plata Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language