(~s)
A ~ is a building or part of a building where dangerous prisoners or violent psychiatric patients are kept.
...the ~ at Cane Hill hospital.
N-COUNT
(~s)
A ~ is a building or part of a building where dangerous prisoners or violent psychiatric patients are kept.
...the ~ at Cane Hill hospital.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012