/ Dictionary / Index L lymphocyte: Meaning and Definition of Find definitions for: lym•pho•cyte Pronunciation: (lim'fu-sīt"), [key] — n. Anat. a type of white blood cell having a large, spherical nucleus surrounded by a thin layer of nongranular cytoplasm. Cf. B cell, T cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lymphocyte (Thesaurus) lymphoblast lymphocytosis Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language