/ Dictionary / Index D Dupleix: Meaning and Definition of Find definitions for: Du•pleix Pronunciation: (dy-pleks'), [key] 1697–1763, French colonial governor of India 1724–54. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duple duple rhythm Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language