Breadcrumb Home > Dictionary > Index A archduchy: Meaning and Definition of Find definitions for: arch•duch•y Pronunciation: (ärch'duch'ē), [key] — pl. -duch•ies. the domain of an archduke or an archduchess. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: archduchy (Thesaurus) archduchess archduke TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: antiphon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language