n.
1.a period during which something or somebody is dominant or powerful
2.the period during which a monarch is sovereign
3.royal authority reign v.
1.have sovereign power
2.be larger in number, quantity, power, status or importance
Idiom of the Day
hold up (someone or something) or hold (someone or something) up
to stop or delay someone or something
The accident held up traffic for over three hours at the border crossing.