くわい 慈姑 LinksSentence search for 慈姑Sentence search for くわいSentence search for クワイKanji details for 慈 and 姑Edit in JMdict Noun1. Sagittaria trifolia var. edulis (edible variant of threeleaf arrowhead)Usually written using kana aloneOther formsクワイ Discussions Log in to talk about this word.