Regnal

reg′nal, adj. pertaining to the reign of a monarch.— n. Reg′nancy , condition of being regnant: reign: predominance.— adj. Reg′nant , reigning or ruling: predominant: exercising regal authority.— ns. Reg′nicide , the destroyer of a kingdom; Reg′num , a badge of royalty, esp. the early form of the pope's tiara.— Regnal year , the year of a sovereign's reign. [L. regnans , regnant is , pr.p. of regnāre , regĕre , to rule.]