ごくらくちょう 極楽蝶 LinksSentence search for 極楽蝶Sentence search for ごくらくちょうSentence search for ゴクラクチョウKanji details for 極, 楽 and 蝶Edit in JMdict Noun1. swallowtail butterfly (esp. the citrus swallowtail butterfly, Papilio xuthus)Rare term, See also 揚羽蝶Other formsゴクラクチョウ Discussions Log in to talk about this word.