also: おおいづかさ
noun
Bureau of the Imperial Palace Kitchens
Historical term for a government office under the ritsuryō system that managed food preparation for the imperial court.
大炊寮は律令制のもとで宮中の食事を担当した役所である。
The Bureau of the Imperial Palace Kitchens was the office in charge of meals at the imperial court under the ritsuryō system.
The term is composed of 大炊 (imperial kitchen) and 寮 (government office). The exact historical derivation is uncertain; it is a specific title from the ritsuryō period.