/ Dictionary / Index O Onetti: Meaning and Definition of Find definitions for: O•net•ti Pronunciation: (ō-net'ē Sp. ô-ne'tē), [key] 1909–94, Uruguayan novelist and short-story writer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. one-track one-two Related Content Daily Word Quiz: longevity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language