ˌLord Proˈtector BrE AmE
the title used by Oliver Cromwell and later by his son Richard Cromwell when they were in charge of the government of Britain at the time when it was a ↑ republic (1649–59)
LORD PROTECTOR
Meaning of LORD PROTECTOR in English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012