noun
Rice that has been pounded or milled to remove the bran, resulting in white rice. Often contrasted with 白米 (white rice) in traditional contexts.
See also: 白米
昔は搗き米を作るのに臼と杵を使った。
In the old days, they used a mortar and pestle to make polished rice.
搗き米は白米の一種です。
Polished rice is a type of white rice.
白米 is the general term for white rice, while 搗き米 specifically refers to rice that has been pounded or polished, often in a traditional manner.
Compound of 搗き (pounding, from verb 搗く) + 米 (rice). The exact historical derivation is uncertain, but the word describes rice that has been pounded to remove the bran.