The one of highest rank; one holding the highest place and authority; a sovereign; a monarch; - - originally applied to either sex, but now rarely applied to a female.
- A male member of a royal family other than the monarch, especially a son of the monarch.
- A man who is a ruler of a principality.
- A hereditary male ruler; a king.
- A nobleman of varying status or rank.
- An outstanding man, especially in a particular group or class: a merchant prince.