(~s, ~ving, ~ved)
1.
When the engine of a vehicle ~s, or when you ~ it, the engine speed is increased as the accelerator is pressed.
The engine started, ~ved and the car jerked away down the hill...
The old bus was ~ving its engine, ready to start the journey back towards Madrid.
VERB: V, V n
•
Rev up means the same as ~ .
...drivers ~ving up their engines.
...the sound of a car ~ving up.
PHRASAL VERB: V P n (not pron), V P
2.
If you talk about the ~s of an engine, you are referring to its speed, which is measured in ~olutions per minute.
The engine delivers instant acceleration whatever the ~s.
N-PLURAL