The mayor, governor, or bailiff of a borough.
A member of a municipal or civic body of governors, especially in certain European cities.
A member of governing board of a college or university; also a governor of the Smithsonian Institute in Washington DC.
One who rules in place of the monarch, especially because the monarch is too young, absent, or disabled.
The chief executive of a regency
Exercising vicarious authority.
Ruling; governing; regnant.