/ Dictionary / Index T Tatum: Meaning and Definition of Find definitions for: Ta•tum Pronunciation: (tā'tum), [key] — n. 1910–56, U.S. jazz pianist. 1909–75, U.S. biochemist: Nobel prize for medicine 1958. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tatum (Thesaurus) tatty Tatung Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language