noun
the person who is in charge of the department that deals with the running of a large international or political organization :
the former Secretary General of NATO
noun
the person who is in charge of the department that deals with the running of a large international or political organization :
the former Secretary General of NATO
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005