warm up

verb

1. 1

   make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity

2. 2

   cause to do preliminary exercises so as to stretch the muscles

   The coach warmed up the players before the game

3. 3

   become more friendly or open

   She warmed up after we had lunch together

4. 4

   get warm or warmer

   The soup warmed slowly on the stove

5. 5

   run until the normal working temperature is reached

   We warmed up the car for a few minutes