/ Dictionary / Index D Dual Monarchy: Meaning and Definition of Find definitions for: Du'al Mon'archy Pronunciation: [key] the kingdom of Austria-Hungary 1867–1918. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dualize dual nationality Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language