DictionaryrevEngine rotation
noun / verb

rev

REV/rev/

An increase in an engine's rotational activity.

The driver revs the engine, sending the tachometer needle higher.

A driver presses a car's accelerator while its prominently visible tachometer needle sweeps toward high engine speed.
Etymology

Rev shortens revolution in its sense of a complete turn. The engine-related noun became a verb meaning to make an engine run faster, increasing the rate of those turns.

In context

Student Lesson1:17
press the gas pedal to rev the engine. To get the engine going, step on the gas.
Learn How To Rev a Car Like a Pro in 4 Minutes!

More examples

  • A quick rev of the engine breaks the silence.
  • She revved the engine before pulling onto the road.
  • Avoid revving a cold engine too hard.

Forms

rev · revs · revved · revving

Similar words

accelerate
Emphasizes increasing speed, often of a vehicle rather than its engine.
race
Suggests an engine running unusually fast, sometimes without control.