治ち水すいTop 25000MeaningsNounSuru verb1. river management; river improvement; flood controlKanji used治rein in水waterPitch accentちすいUsed in vocabulary治ち水すい工こう事じriparian works; flood-control worksNoun流りゅう域いき治ち水すいriver basin management; river basin flood control; river flood risk reductionNoun