warm_up
1. [ verb ] run until the normal working temperature is reached
Examples:

"We warmed up the car for a few minutes"

Related terms: operate
2. [ verb ] become more friendly or open
Examples:

"She warmed up after we had lunch together"

Related terms: change
3. [ verb ] get warm or warmer
Synonyms: warm
Examples:

"The soup warmed slowly on the stove"

Related terms: change heating
4. [ verb ] do preliminary exercises so as to stretch the muscles
Examples:

"The coach warmed up the players before the game"

Related terms: exercise work limber
5. [ verb ] make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
Synonyms: loosen_up limber_up
Related terms: exercise warm-up
Similar spelling:   warm-up