杵きね

noun

mallet; pestle; pounder

A wooden mallet or pestle, especially the large one used for pounding mochi in a usu (mortar).

• 正しょう月がつには杵きねと臼うすで餅もちをつきます。

  At New Year's, we pound mochi with a mallet and mortar.

• 杵きねで大だい豆ずを粉こなにした。

  I ground soybeans into powder with a pestle.