かわとんぼ 川蜻蛉 LinksSentence search for 川蜻蛉Sentence search for かわとんぼSentence search for 河蜻蛉Sentence search for カワトンボKanji details for 川, 蜻 and 蛉Edit in JMdict Noun1. broad-winged damselfly (of family Calopterygidae)Usually written using kana aloneOther forms河蜻蛉 【かわとんぼ】、カワトンボ Discussions Log in to talk about this word.