三さん角かくコーナー

noun

triangular sink strainer; sink corner strainer

A small triangular container placed in the corner of a kitchen sink to collect food scraps; often has a mesh or slotted bottom for draining.

• 三さん角かくコーナーにたまった生なまゴミを捨すててください。

  Please throw away the food scraps that have collected in the sink strainer.