にゅうどうぐも 入道雲 LinksSentence search for 入道雲Sentence search for にゅうどうぐもKanji details for 入, 道 and 雲Edit in JMdict Noun1. cumulonimbus; gigantic columns of clouds (in summer); thunderheadSee also 積乱雲 Discussions Log in to talk about this word.