JMdict: 1260930

元栓 【もとせん】

  1. [n] stopcock (gas, water); main valve; main tap; stop tap
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
元 Beginning, Former Time, Origin ゲン, ガン もと
栓 Plug, Bolt, Cork, Bung, Stopper セン