A stone, metal or wooden tool that is used to grind and mix material against a working surface such as a slab or a bowl. The material can be anything that can be pulverized, including grain, pigment, or medicinal components. The tool can be shaped like a mallet, a double-ended club, or a rod with a flat base and tapering handle.

h4. See also

* [[mortar (bowl)|]]
* "Wikipedia: Mortar and pestle":[https://en.wikipedia.org/wiki/Mortar_and_pestle]
乳棒 杵臼 杵 研杵 捣蒜器