うちかぎ 内鍵 LinksSentence search for 内鍵Sentence search for うちかぎKanji details for 内 and 鍵Edit in JMdict Noun1. internal lockじたく自宅をかいちく改築するさい際に、このへや部屋にだけぼうおんせつび防音設備とうちかぎ内鍵をつ付けたんだ。When my home had an extension built I only had this room fitted with soundproofing and an internal lock. Discussions Log in to talk about this word.