(~s)
A ~ is a large round stone that turns like a wheel and is used for sharpening knives and tools.
N-COUNT
(~s)
A ~ is a large round stone that turns like a wheel and is used for sharpening knives and tools.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012