Ｕ字溝ゆーじこう

noun

U-shaped gutter; U-ditch

A concrete drainage channel with a U-shaped cross-section, commonly used in road and construction contexts.

• 道どう路ろの脇わきにＵ字じ溝こうが設せっ置ちされている。

  U-shaped gutters are installed along the side of the road.

• 工こう事じ現げん場ばでＵ字じ溝こうを並ならべて排はい水すい路ろを作つくる。

  At the construction site, they line up U-ditches to make a drainage channel.