/ Dictionary / Index P perfect cadence: Meaning and Definition of Find definitions for: per'fect ca'dence Pronunciation: [key] — Music. Music. a cadence in which the tonic chord has its root in both bass and soprano. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perfect binding perfect continuous Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language