(~s)
A ~ is a key which will open all the locks in a set, even though each lock has its own different key.
N-COUNT
(~s)
A ~ is a key which will open all the locks in a set, even though each lock has its own different key.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012