鍵をかける かぎをかける Also written 鍵を掛ける Meanings Expression, Ichidan verb to lock (a door, etc.); to lock up See also: 鍵がかかる (かぎがかかる). Kanji 鍵 key. Read as かぎ. Common phrases 部屋に鍵をかける Jinuma: Japanese Dictionary · Word lists