らんちゅう 蘭虫 LinksSentence search for 蘭虫Sentence search for らんちゅうSentence search for 蘭鋳Sentence search for ランチュウKanji details for 蘭 and 虫Edit in JMdict Noun1. ranchu; variety of goldfishUsually written using kana aloneOther forms蘭鋳 【らんちゅう】、ランチュウ Discussions Log in to talk about this word.