Reign1, n.
(rān), n. [Fr. règne, O. Fr. reigne, raine, Pr. reing, renc, Sp. & Pg. reino, It. regno, Lat. regnum, from rex, regis, a king, from regere, to guide, rule.]
Sense 1. Royal authority; supreme power; sovereignty; kingdom; dominion; chief influence or direction. “He who like a father held his reign.” Pope.
Saturn’s sons received the threefold reign Of heaven, of ocean, and deep hell beneath. Prior.
Sense 2. The territory or sphere which is reigned over; kingdom; empire; realm. [Obs. and rare.] Spenser.
Sense 3. The time during which a king, queen, or emperor, possesses the supreme authority.