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
the time is ripe (for something)
exactly the right time has come for something
The time is ripe to start teaching our child how to brush his teeth.