supremacy Meaning, Definition & Usage

  1. noun power to dominate or defeat
    mastery; domination.
    • mastery of the seas

WordNet

Su*prem"a*cy noun
Etymology
Cf. F. suprématie. See Supreme.
Definitions
  1. The state of being supreme, or in the highest station of power; highest or supreme authority or power; as, the supremacy of a king or a parliament.
    The usurped power of the pope being destroyed, the crown was restored to its supremacy over spiritual men and causes. Blackstone.

Webster 1913