Dictionary definition · warm up
noun
- performing mild exercises to prepare for some more strenuous activity"the singers have to warm up"
verb
- run until the normal working temperature is reached"We warmed up the car for a few minutes"
- become more friendly or open"She warmed up after we had lunch together"
- get warm or warmer"The soup warmed slowly on the stove"
- cause to do preliminary exercises so as to stretch the muscles"The coach warmed up the players before the game"
- make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
Source: Open English WordNet (CC BY 4.0).