noun
Technical term for pipes and conduits used in civil engineering, especially for sewer and storm water systems. Often appears in compound terms like 下水道管渠.
See also: 下水道管渠
下水道管渠の老朽化が問題になっている。
The aging of sewer pipes has become a problem.
この地域の雨水管渠は大雨に耐えられない。
The storm water culverts in this area cannot withstand heavy rain.
Compound of 管 (pipe, tube) and 渠 (ditch, conduit). The second character 渠 is relatively rare in modern Japanese outside of technical compounds.