Definition of reign

• n. - Royal authority; supreme power; sovereignty; rule; dominion.
• n. - The territory or sphere which is reigned over; kingdom; empire; realm; dominion.
• n. - The time during which a king, queen, or emperor possesses the supreme authority; as, it happened in the reign of Elizabeth.
• n. - To possess or exercise sovereign power or authority; to exercise government, as a king or emperor;; to hold supreme power; to rule.
• n. - Hence, to be predominant; to prevail.
• n. - To have superior or uncontrolled dominion; to rule.