おぬし 落とし主 LinksSentence search for 落とし主Sentence search for おとしぬしSentence search for 落し主Kanji details for 落 and 主Edit in JMdict Noun1. owner of a lost article; person who has lost an article; person who has dropped somethingOther forms落し主 【おとしぬし】 Discussions Log in to talk about this word.