暗渠 あんきょ Also written 暗きょ Meanings Noun subterranean drain; culvert; conduit See also: 明渠 (めいきょ). Kanji 暗 dark. Read as アン. 渠 ditch; canal; lock. Read as キョ. Words containing 暗渠 暗渠排水 (あんきょはいすい) underdrainage Jinuma: Japanese Dictionary · Word lists