(1):
(v. i.) To live or lodge in barracks.
(2):
(v. t.) To supply with barracks; to establish in barracks; as, to barrack troops.
(3):
(n.) A building for soldiers, especially when in garrison. Commonly in the pl., originally meaning temporary huts, but now usually applied to a permanent structure or set of buildings.
(4):
(n.) A movable roof sliding on four posts, to cover hay, straw, etc.