用水 ようすい Meanings Noun irrigation water; water for fire; city water; cistern water Kanji 用 use. Read as ヨウ. 水 water. Read as スイ. Words containing 用水 用水路 (ようすいろ) irrigation channel 工業用水 (こうぎょうようすい) industrial water 愛知用水公団 (あいちようすいこうだん) Aichi Waterworks Corporation And 5 more. Jinuma: Japanese Dictionary · Word lists