Definition of dominion

• n. - Sovereign or supreme authority; the power of governing and controlling; independent right of possession, use, and control; sovereignty; supremacy.
• n. - Superior prominence; predominance; ascendency.
• n. - That which is governed; territory over which authority is exercised; the tract, district, or county, considered as subject; as, the dominions of a king. Also used figuratively; as, the dominion of the passions.
• n. - A supposed high order of angels; dominations. See Domination, 3.