Breadcrumb Home > Dictionary > Index O orach: Meaning and Definition of Find definitions for: or•ach Pronunciation: (ôr'uch, or'-), [key] — n. any plant of the genus Atriplex, esp. A. hortensis, of the goosefoot family, cultivated for use like spinach. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: orach (Thesaurus) ora oracle ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language