しらぬい 不知火 LinksSentence search for 不知火Sentence search for しらぬいSentence search for しらぬひSentence search for 白縫Kanji details for 不, 知 and 火Edit in JMdict Noun1. phosphorescent light; mysterious lights on the sea; sea firePlace2. ShiranuhiOther forms不知火 【しらぬひ】、白縫 【しらぬい】、白縫 【しらぬひ】 Discussions Log in to talk about this word.