/ Dictionary / Index P papaveraceous: Meaning and Definition of Find definitions for: pa•pav•er•a•ceous Pronunciation: (pu-pav"u-rā'shus), [key] — adj. belonging to the Papaveraceae, the poppy family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. paparazzo papaverine Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language