/ Dictionary / Index A archduchess: Meaning and Definition of Find definitions for: arch•duch•ess Pronunciation: (ärch'duch'is), [key] — n. the wife of an archduke. a princess of the Austrian imperial family. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: archduchess (Thesaurus) archducal archduchy Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language