/ Dictionary / Index R Río Bravo: Meaning and Definition of Find definitions for: Rí•o Bra•vo Pronunciation: (rē'ô vrä'vô), [key] Mexican name of(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rio Branco Río Cuarto Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language