pedal /ˈpɛdəl/noun 5verb 2adjective 1forms 5phrases 1 noun5 •A lever operated by one's foot that is used to control or power a machine or mechanism, such as a bicycle or piano.There are three pedals on manual cars, two on automatics.A piano usually has two or three pedals. •An effects unit, especially one designed to be activated by being stepped on. •The ranks of pipes played from the pedal-board of an organ.A small organ commonly has only one or two ranks on the pedal. •an orthopedic structure or a footlike part. •(humorous) A stirrup. verb2 •To operate a pedal attached to a wheel in a continuous circular motion. •To operate a bicycle.He was out of breath from pedalling up the steep hill. adjective1 •Of or relating to the foot. formspedaled · pedalled · pedaling · pedalling · pedals Phrases with pedal pedal to the metalAt maximum speed.