Guardroom

['gɑːdruːm;-rʊm] or ['ɡɑrdrum]

(noun.) a room used by soldiers on guard.

(noun.) a cell in which soldiers who are prisoners are confined.

Inputed by Josiah--From WordNet

(n.) The room occupied by the guard during its term of duty; also, a room where prisoners are confined.

Inputed by Bess