accelerator pedal

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a pedal that controls the throttle valve
- he stepped on the gas
• Syn:
accelerator, gas pedal, gas, throttle, gun
• Derivationally related forms:
throttle (for: throttle), accelerate (for: accelerator)
• Hypernyms:
pedal, treadle, foot pedal, foot lever
• Part Holonyms:
car, auto, automobile, machine, motorcar,
airplane, aeroplane, plane