/ Dictionary / Index O oryx: Meaning and Definition of Find definitions for: o•ryx Pronunciation: (ôr'iks, ōr'-), [key] — pl. o•ryx•es, o•ryx. a large African antelope, Oryx gazella, grayish with black markings and having long, nearly straight horns: an endangered species. gemsbok. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oryx (Thesaurus) -ory orzo Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language