流りゅう雪せつ溝こう

noun

snow drainage gutter

A gutter or channel designed to carry away melted snow, commonly found in snowy regions of Japan.

• 流りゅう雪せつ溝こうに雪ゆきを流ながすと、すぐに溶とけて排はい水すいされる。

  When you put snow into the snow drainage gutter, it melts quickly and is drained away.