rev

Definitions of rev in various dictionaries:

noun - rate of revolution of a motor

verb - increase the number of rotations per minute

To increase the speed of (a motor, for example): revved the engine.

To accelerate or increase: orders to rev up factory output.

To make livelier or more productive: revving ourselves up for the game; efforts to rev the economy.

To operate at an increased speed: heard the motors revving.

To accelerate in quantity or activity.

verb - to increase the speed of