Rex

Etymology
From. .

Proper noun

 * 1)  The reigning king.
 * 2)  coined in the nineteenth century from Latin rex "king," rarely given today.

Synonyms

 * abbreviation

Related terms

 * queen
 * female given name
 * female given name

Descendants

 * Rex Lex (meaning that the King is the law)
 * Lex Rex (meaning that the King is not absolute but subject to the law)

Etymology
From.