雨う水すい桝ます

noun

stormwater inlet; street inlet

Technical term for a grated opening at the edge of a road or in a gutter that collects rainwater and directs it into a drainage system.

• 道どう路ろの雨う水すい桝ますに落おち葉ばが詰つまっていた。

  Fallen leaves were clogging the stormwater inlet on the road.