坑道 こうどう Meanings Noun tunnel; (mining) gallery; level; shaft; pit Kanji 坑 pit. Read as コウ. 道 road. Read as ドウ. Words containing 坑道 ひ押し坑道 (ひおしこうどう) drift (mining) 沿層坑道 (えんそうこうどう) drift (mining) Jinuma: Japanese Dictionary · Word lists