Foreign Secretary

noun2

1. •
   (UK) The British cabinet minister who heads the Foreign Office and is responsible for Britain's relations and dealings with other countries. Official full title: Secretary of State for Foreign, Commonwealth and Development Affairs.

   • Philip Hammond has been appointed chancellor of the exchequer and Boris Johnson foreign secretary as Theresa May allocated the top posts in her cabinet on her first evening as prime minister. — 2016
2. •
   A senior civil servant who conducts and supervises foreign and diplomatic relations.