chief executive

noun6

1. •
   The head of government or head of state.
2. •
   POTUS, the president of the United States.
3. •
   (Hong-Kong) The head of government of Hong Kong
4. •
   The head of government of Macau
5. •
   The governor of a U.S. state.
6. •
   Ellipsis of chief executive officer

noun1

1. •
   The title of a chief executive, an honorific form of address.