/ Dictionary / Index B Byzantine Empire: Meaning and Definition of Find definitions for: Byz'antine Em'pire Pronunciation: [key] the Eastern Roman Empire after the fall of the Western Empire in a.d. 476. Cap.: Constantinople. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Byzantine Church Byzantine rite 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