noun Each of a pair of foot-operated levers used for powering a bicycle or other vehicle propelled by the legs. A foot-operated throttle, brake, or clutch control in a motor vehicle. (a brake pedal) Each of a set of two or three levers on a piano, particularly (also sustaining pedal) one which, when depressed, prevents the dampers from stopping the sound when the keys are released. The second is the soft pedal; a third, if present, produces either selective sustaining or complete muffling of the tone.
verb Move by working the pedals of a bicycle. (they pedalled along the canal towpath) Use the pedals of a piano, organ, or other keyboard instrument, especially in a particular style. (the organist pedalled furiously, her feet travelling musical miles)