/ Dictionary / Index R reata: Meaning and Definition of Find definitions for: re•a•ta Pronunciation: (rē-ä'tu, -at'u), [key] — n. riata. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reata (Thesaurus) reassure Réaum. Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language