上水道 shàngshuǐdào water-supply line Origin Definitions Defs Strokes Stroke Words Sentences Sents 上 shàng adjectivenoun upper top; higher; superior; better; used to describe something in a higher position or rank水道 shuǐdào noun waterway A natural or artificial channel for water, such as a river, canal, or ditch; includes aqueducts and drainage pipes.