/ Dictionary / Index R rhythm-and-blues: Meaning and Definition of Find definitions for: rhythm-and-blues Pronunciation: (ri'um-un-blz'), [key] — n. a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rhythm-and-blues (Thesaurus) rhythm rhythm band Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language