guv ‧ nor BrE AmE , guv'nor /ˈɡʌvnə $ -ər/ noun British English spoken old-fashioned informal
[ Date: 1800-1900 ; Origin: governor ]
1 . [countable] a man who is in a position of authority over you, usually your employer:
You’ll have to speak to the guvnor about that.
2 . used as a way of talking to a man of a higher social class than you