/ Dictionary / Index R rib roast: Meaning and Definition of Find definitions for: rib' roast" Pronunciation: [key] a cut of beef taken from the small end of the ribs and containing a large rib eye and two or more ribs. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ribozyme rib steak 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