/ Dictionary / Index G granulocyte: Meaning and Definition of Find definitions for: gran•u•lo•cyte Pronunciation: (gran'yu-lō-sīt"), [key] — n. Cell Biol. a circulating white blood cell having prominent granules in the cytoplasm and a nucleus of two or more lobes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: granulocyte (Thesaurus) granuloblast granuloma 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