Papaveraceous \Pa*pav`er*a"ceous\, a. (Bot.) Of, pertaining to, or resembling, a natural order of plants ({Papaverace[ae]}) of which the poppy, the celandine, and the bloodroot are well-known examples.
Papaveraceae n : herbs or shrubs having milky and often colored juices and capsular fruits [syn: {family Papaveraceae}, {poppy family}]