/ Dictionary / Index T ta ta: Meaning and Definition of Find definitions for: ta ta Pronunciation: (tä tä'), [key] — Chiefly Brit. Chiefly Brit. good-bye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tat tatami Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language