/ Dictionary / Index B Byzantine chant: Meaning and Definition of Find definitions for: Byz'antine chant' Pronunciation: [key] — Music. Music. liturgical plainsong identified with the Eastern Orthodox Church and dating from the Byzantine Empire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Byzantine Byzantine Church Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language