まるひとばん 丸一晩 LinksSentence search for 丸一晩Sentence search for まるひとばんKanji details for 丸, 一 and 晩Edit in JMdict Noun1. whole night; all nightふじさん富士山に登るのにまるひとばん丸一晩かかった。It took all night to climb Mt Fuji. Discussions Log in to talk about this word.