JMdict: 1277390

坑道 【こうどう】

  1. [n] tunnel; (mining) gallery; level; shaft; pit
Search on Immersion Kit
Search on Forvo

Kanji in this word:

Kanji Meanings On Readings Kun Readings
坑 Pit, Hole コウ
道 Road-way, Street, District, Journey, Course, Moral, Teachings ドウ, トウ みち, いう