|Noah Webster's Dictionary|
1. (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.
2. (n.) A movable roof sliding on four posts, to cover hay, straw, etc.
3. (v. t.) To supply with barracks; to establish in barracks; as, to barrack troops.
4. (v. i.) To live or lodge in barracks.
Barrack (1 Occurrence)
Acts 28:16 And when we came to Rome, the centurion delivered up the prisoners to the captain of the barrack, but Paul was suffered to remain by himself, with the soldier guarding him. (YLT)