barracks square; parade ground; open space within a barracks compound
Refers to the open area inside a military barracks or base, used for drills, assemblies, or recreation. A specialized term not commonly encountered outside military contexts.
営庭で朝礼が行われた。
The morning assembly was held on the barracks square.
新兵たちは営庭で整列し
The new recruits lined up on the parade ground.
Compound of 営 (barracks, camp) and 庭 (garden, courtyard). The exact historical derivation is uncertain, but the word is a straightforward Sino-Japanese compound referring to a barracks courtyard.