Period during which a monarch rules (5)
I believe the answer is:
reign
(Other definitions for reign that I've seen before include "Rule as king or queen" , "Rule - dominate" , "Have sovereign power" , "Prevail" , "Hegemony" .)
I believe the answer is:
reign
(Other definitions for reign that I've seen before include "Rule as king or queen" , "Rule - dominate" , "Have sovereign power" , "Prevail" , "Hegemony" .)