noun
[ usually sing. ] a government department that is responsible for protecting its government's military and political secrets and for finding out the secrets of other governments
noun
[ usually sing. ] a government department that is responsible for protecting its government's military and political secrets and for finding out the secrets of other governments
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005