Male Monarch With Power Over Lesser Monarchs

This page is the CodyCross answer for the clue below from Airport, Group 452, Puzzle 1 (Flight Data Recorder).

Question is: Male Monarch With Power Over Lesser Monarchs

and the answer is: HIGHKING

Word Meaning:

HIGH KING — A chief king or ruler; a great, superior, or supreme king; a king of kings.

Definitions from Wiktionary.