/ Dictionary / Index P pièce d'occasion*: Meaning and Definition of Find definitions for: pièce d'oc•ca•sion Pronunciation: (pyes dô-kä-zyôn'), [key] — pl. pièces d'oc•ca•sion something prepared or used for a special occasion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pièce de résistance* piece-dyed Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language