1. present participle of rev; accelerating an engine by pressing the accelerator

1. the action or sound of accelerating an engine

Examples

• He was revving the motorcycle engine in the driveway.
• The car sat revving at the red light.
• Stop revving the engine so loudly.
• The revving of engines filled the racetrack.
• She could hear the revving from the garage.
• The constant revving was disturbing the neighbors.
• The mechanic was revving the engine to test it.