/ Dictionary / Index D Duplessis-Mornay: Meaning and Definition of Find definitions for: Du•ples•sis-Mor•nay Pronunciation: (Fr. dy-ple-sē-môr-nā'), [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duple rhythm duple time Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language