Meaning of SECRETARY in English

(GOVERNMENT) [noun] [C] - the head of a government departmentIn the US, a secretary is chosen by the president and is not a member of a law-making body.the Secretary of Health and Human ServicesIn the UK, a secretary (also formal Secretary of State) is a Member of Parliament who belongs to the ruling party and is in charge of a government department.She became Secretary of State for Education after spending three years as Environment Secretary.In the UK, the Foreign Secretary is the minister in charge of the Foreign Office.Was the conference a success, Foreign Secretary?In the US, the Secretary of State has responsibility for relations with other countries.

Cambridge English vocab.      Кембриджский английский словарь.