noun
Bishū; the three former provinces of Bizen, Bitchū and Bingo
Historical collective name for the three provinces of Bizen (備前), Bitchū (備中), and Bingo (備後) in the old provincial system. Used mainly in historical or geographical contexts.
備州は、かつて備前・備中・備後の三国を総称した地域名です。
Bishū is a regional name that once collectively referred to the three provinces of Bizen, Bitchū, and Bingo.
One of the three provinces included in Bishū, located in present-day eastern Hiroshima Prefecture.
From the on'yomi reading of 備 (bi) and 州 (shū, 'province'). The character 備 is shared by the three historical provinces Bizen, Bitchū, and Bingo, which were collectively called Bishū.