みやまがわとんぼ 深山川蜻蛉 LinksSentence search for 深山川蜻蛉Sentence search for みやまがわとんぼSentence search for ミヤマガワトンボKanji details for 深, 山, 川, 蜻 and 蛉Edit in JMdict Noun1. Calopteryx cornelia (species of damselfly)Usually written using kana aloneOther formsミヤマガワトンボ Discussions Log in to talk about this word.