/ Dictionary / Index C common rhythm: Meaning and Definition of Find definitions for: com'mon rhythm' Pronunciation: [key] — Pros. Pros. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common ratio common room Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language