(~s)
A ~ is a person or organization that helps another person or organization to do or to achieve a particular thing. (FORMAL)
N-COUNT
(~s)
A ~ is a person or organization that helps another person or organization to do or to achieve a particular thing. (FORMAL)
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012