(~s)
A ~ is a pointed piece of metal at the end of some pens, which controls the flow of ink as you write.
N-COUNT
(~s)
A ~ is a pointed piece of metal at the end of some pens, which controls the flow of ink as you write.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012