(~s)
A ~ is a stone which is used for sharpening knives or other tools that have a blade.
N-COUNT: usu sing
(~s)
A ~ is a stone which is used for sharpening knives or other tools that have a blade.
N-COUNT: usu sing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012