(~s)
A ~ is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom. (BRIT; in AM, use chalkboard )
N-COUNT: usu the N in sing
(~s)
A ~ is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom. (BRIT; in AM, use chalkboard )
N-COUNT: usu the N in sing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012