opium poppy opium poisoning • opium-shattered · · · Info · Definitions · Synonyms · Characters · · opium poppy · · Text Common · · Latin · · Scripts 11 · · Length 5 · · Syllables Definitions · · · (noun) southwestern Asian herb with greyish leaves and white or reddish flowers; source of opium. Synonyms: opium poppy, Papaver somniferum. · · Noun Definition 1 Synonyms · · · papaver somniferum · · Synonym 1 Characters · · space U+0020 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 u latin small letter u U+0075 y latin small letter y U+0079