warm up

to make or become warm or warmer

intr to exercise in preparation for and immediately before a game, contest, or more vigorous exercise

to get ready for something important; prepare

to run or operate (an engine, etc) until the normal working temperature or condition is attained, or (of an engine, etc) to undergo this process

to make or become more animated or enthusiastic

to reheat (already cooked food) or (of such food) to be reheated

tr to make (an audience) relaxed and receptive before a show, esp a television comedy show

the act or an instance of warming up

a preparatory exercise routine