Word鍵かぎkagiMeaningkeyPart of speechnounPronunciationCourseJapaneseLessonVocabulary expansion 43Breakdown of kagikey鍵The key to getting gold is to build your own wealth.Usages of kagi昨ゆう晩べ、 鍵かぎ を 無なくした。yuube, kagi wo nakusita.Last night, I lost the key.この ドア に は 鍵かぎ が 必ひつ要よう です。kono doa ni ha kagi ga hituyou desu.This door needs a key.