(~s)
A ~ is a window which consists of two frames placed one above the other. The window can be opened by sliding one frame over the other.
N-COUNT
(~s)
A ~ is a window which consists of two frames placed one above the other. The window can be opened by sliding one frame over the other.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012