barracks; military quarters
Refers to a building or group of buildings where soldiers live and sleep, typically on a military base.
The new soldiers were guided to the barracks.
The new recruits live in the barracks while undergoing training.
They built a new barracks as part of the base expansion.
兵舎 is the standard, formal term for military barracks, whereas バラック rarely carries that military sense and usually means a makeshift shack.
官舎 is government-provided housing for civil servants, whereas 兵舎 is specifically a military barracks for soldiers.
Quonset hut
Compound of 兵 (hei, 'soldier') and 舎 (sha, 'building, quarters').