平ひら臼うす

noun

horizontal stone hand mill

A traditional stone mill consisting of two flat, round stones; the upper stone is rotated by hand to grind grains or beans. Often used in historical or cultural contexts.

• 昔むかしの人ひとは平ひら臼うすで大だい豆ずを挽ひいてきな粉こを作つくった。

  In the old days, people ground soybeans with a horizontal stone hand mill to make kinako.