/ Dictionary / Index R rhythm band: Meaning and Definition of Find definitions for: rhythm' band" Pronunciation: [key] a collection of simple percussion instruments used esp. with piano accompaniment to teach musical rhythm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rhythm-and-blues rhythmic Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language