/ Dictionary / Index W Western Roman Empire: Meaning and Definition of Find definitions for: West'ern Ro'man Em'pire Pronunciation: [key] the western portion of the Roman Empire after its division,a.d.395, which became extincta.d. 476. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Western Reserve Western saddle Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language