D defs.my
Entry 2 senses Webster, 1913

Imperium

· Im·pe·ri·um · IPA /ɪmˈpɪɹi.əm/
01 n. Supreme power; absolute dominion; empire.
pl. Imperia ((#))
  1. 1.
    Supreme power; absolute dominion; empire.
  2. 2.
    The right to command, which includes the right to employ the force of the state to enforce the laws. It is one of the principal attributes of the executive power.(Law)