溝こう渠きょ

noun

ditch; sewer; canal

Refers to a man-made water channel for drainage, irrigation, or sewage. Often used in technical or formal contexts.

• 道どう路ろの脇わきに溝こう渠きょが掘ほられている。

  A ditch is dug along the side of the road.

• この地ち域いきの溝