関鍵 かんけん noun (common) (futsuumeishi) 関鍵かんけん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) rare term locking doors;lock and key;vital point 漢字 kanji used 関 connection, barrier 14画 鍵 key 17画
関鍵かんけん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) rare term locking doors;lock and key;vital point
Shirabe