Sovereignty or control over a territory or people. The king's dominion extended over the entire region, ensuring peace and prosperity.
A territory or sphere of influence; a realm. The ancient empire's dominion included several modern-day countries.
A self-governing nation within the British Commonwealth. Canada was once a dominion of the British Empire before gaining full independence.
(theology, usually plural) A rank or order of angels in Christian angelology, positioned above Principalities and below Thrones. Medieval scholars debated the duties of the Dominions within the celestial hierarchy.