いちや 一夜 Common word Show 1 collocation 一夜を共にする - to spend a night together LinksSentence search for 一夜Sentence search for いちやSentence search for ひとやSentence search for ひとよKanji details for 一 and 夜Edit in JMdict Noun, Adverb (fukushi)1. one night; all night; overnight; one eveningOther forms一夜 【ひとや】、一夜 【ひとよ】 Discussions Log in to talk about this word.