あいかぎ 合鍵 LinksSentence search for 合鍵Sentence search for あいかぎSentence search for 合い鍵Sentence search for 合カギKanji details for 合 and 鍵Edit in JMdict Noun1. duplicate keyNoun2. master key; passkey; skeleton keyOther forms合い鍵 【あいかぎ】、合カギ 【あいかぎ】 Discussions Log in to talk about this word.