accelerator pedal
nounUK /əkˈseləreɪtə ˌpedl/
US /əkˈseləreɪtər ˌpedl/
The pedal in a car that you press with your foot to make the car go faster.
She pressed the accelerator pedal gently to pull away from the traffic lights.
RELATED WORDS
OTHER MEANINGS
2. A pedal in a machine or vehicle that controls the speed of an engine.
The operator stepped on the accelerator pedal to increase the engine's power.
3. A control used to increase the rate or speed of a process.
He treated the new funding as an accelerator pedal for the project.
4. The foot-operated lever connected to a vehicle's throttle system.
The mechanic checked the accelerator pedal linkage for stiffness.