いつや 乙夜 LinksSentence search for 乙夜Sentence search for いつやSentence search for おつやKanji details for 乙 and 夜Edit in JMdict Noun1. second division of the night (approx. 9pm to 11pm)ArchaicOther forms乙夜 【おつや】 Discussions Log in to talk about this word.