/ Dictionary / Index R R and R: Meaning and Definition of Find definitions for: R and R Pronunciation: [key] rest and recreation. rest and recuperation. rock-'n'-roll. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. random walk randy 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