堰せき板いた

noun

sheeting board; stop plank; dam board

A board used to form a temporary barrier in water channels, weirs, or construction; often part of a set of planks inserted into grooves to control water flow.

• 用よう水すい路ろに堰せき板いたを入いれて水すい位いを調ちょう節せつする。

  They insert stop planks into the irrigation channel to adjust the water level.

• 工こう事じ現げん場ばで堰せき板いたを組くみ立たてて水みずをせき止とめた。

  At the construction site, they assembled sheeting boards to hold back the water.