(~s)
A ~ is someone who studies the grammar of a language and writes books about it or teaches it.
N-COUNT
(~s)
A ~ is someone who studies the grammar of a language and writes books about it or teaches it.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012