v.
1.run until the normal working temperature is reached
2.become more friendly or open
3.get warm or warmer
4.cause to do preliminary exercises so as to stretch the muscles
5.make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
Idiom of the Day
close ranks
to come together for fighting, to unite and work together
The political parties closed ranks and stopped arguing among themselves.