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
put up money for (something)
to provide money for something
The telephone company put up much money for the new science center.