dominator

from The Collaborative International Dictionary of English v.0.48

Dominator \Dom"i*na`tor\, n. [L.]
   A ruler or ruling power. "Sole dominator of Navarre." --Shak.
   [1913 Webster]

         Jupiter and Mars are dominators for this northwest part
         of the world.                            --Camden.
   [1913 Webster] domine