Breadcrumb Home > Dictionary > Index M macrocyte: Meaning and Definition of Find definitions for: mac•ro•cyte Pronunciation: (mak'ru-sīt"), [key] — n. Pathol. an abnormally large red blood cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: macrocyte (Thesaurus) macrocyst macrodome ✖ Related Content Daily Word Quiz: evanescent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language