Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: French
Origin: pedale, from Italian, from Latin pedalis 'of the foot'

pedal

1 noun
     
pedal
ped‧al1 [countable]
1 also bicycle pedalTTB one of the two parts of a bicycle that you push round with your feet to make the bicycle go forward
2TTC a part in a car or on a machine that you press with your foot to control it:
She put her foot down on the accelerator pedal.
3APM a part on a piano or organ that you press with your foot to change the quality of the sound
4

put/press/push the pedal to the metal

American English
a) to drive a car, truck etc very fast
b) to work harder or faster, especially so that you can win a game

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