Definitions
1.VerbTo become warmer."He came inside to warm up."
2.VerbTo heat or reheat (e.g. food)."I couldn't be bothered to cook another meal so I just warmed up yesterday's leftovers."
3.VerbTo reach, or cause to reach, a normal operating temperature (of a car for example)."These old valve radios take a few minutes to warm up."
4.VerbTo physically or mentally prepare oneself, something or someone for an activity.
To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise."It is important to warm up properly before your gym session.; The band were already on stage, warming up for the gig.; Rich knew how to warm up the audience of The Price is Right. His good looks and charming personality made even that special."
5.VerbTo do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise."It is important to warm up properly before your gym session."
6.VerbTo prepare for an activity by carrying out a practice or preparation routine."The band were already on stage, warming up for the gig."
7.VerbTo make (an audience) enthusiastic or animated before a show."Rich knew how to warm up the audience of The Price is Right. His good looks and charming personality made even that special."
8.VerbSynonym of warm (to favor increasingly). .mw-parser-output .object-usage-tag{font-style:italic}.mw-parser-output .deprecated{color:var(--wikt-palette-grey-lime-8,olivedrab)}[with to]
9.VerbSynonym of warm (“prepopulate a cache”).
10.VerbSynonym of warm (“send mail from a domain to improve reputation”).