Definitions

1. verb

to heat or warm something again, especially food that has been previously cooked

“She decided to reheat the leftovers and rewarm the sauce for dinner.”

2. verb

to restore heat to something, such as an engine or a heating system

“The mechanic recommended rewarming the engine before driving it long distances.”

3. noun

an act of heating or warming something again, especially food

“The rewarm of the soup was a nice surprise after the long wait.”