(~s)
A ~ is a place from which a commander in the army controls and organizes his forces.
N-COUNT
(~s)
A ~ is a place from which a commander in the army controls and organizes his forces.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012