電鍵 でんけん noun (common) (futsuumeishi) 電鍵でんけん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) telegraph key (switching device used to send Morse code) 漢字 kanji used 電 electricity 13画 鍵 key 17画
電鍵でんけん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) telegraph key (switching device used to send Morse code)