上じょう白はく

noun

first-class rice; top-grade rice

Refers to rice of the highest quality, often used in historical or formal contexts related to rice grading.

• 江え戸ど時じ代だい、上じょう白はくは将しょう軍ぐん家けに献けん上じょうされた。

  In the Edo period, first-class rice was presented to the shogun's family.