/ Dictionary / Index D Ducasse: Meaning and Definition of Find definitions for: Du•casse Pronunciation: (dy-kas'), [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ducally ducat Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language