/ Dictionary / Index R rock beauty: Meaning and Definition of Find definitions for: rock' beau"ty Pronunciation: [key] a gold and black butterflyfish, Holocanthus tricolor, ranging from the West Indies to Brazil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rock bass rock blenny Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language