/ Dictionary / Index Y ya-ta-ta: Meaning and Definition of Find definitions for: ya-ta-ta Pronunciation: (yä'tu-tu, yat'u-tu), [key] — n. Slang. empty conversation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yataghan yatter Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language