/ Dictionary / Index O Oñate: Meaning and Definition of Find definitions for: O•ña•te Pronunciation: (ô-nyä'te), [key] 1550?–1624, Spanish explorer who colonized New Mexico. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Onassis on-board Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language