けし 芥子 LinksSentence search for 芥子Sentence search for けしSentence search for 罌粟Sentence search for ケシKanji details for 芥 and 子Edit in JMdict Noun1. opium poppy (Papaver somniferum)Usually written using kana aloneOther forms罌粟 【けし】、ケシ Discussions Log in to talk about this word.