[verb] -vv-To rev an engine is to increase its speed while the vehicle is not moving (usually to warm it to the correct temperature).He nervously revved (up) the engine before driving off. [T]The noise of the car revving (up) woke the whole neighbourhood. [I]
REV
Meaning of REV in English
Cambridge English vocab. Кембриджский английский словарь. 2012