noun Each of a pair of foot-operated levers used for powering a bicycle or other vehicle propelled by the legs. (All of this excess motion can rob the cyclist of the power that needs to be delivered to the pedals to drive the bicycle forward.) 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 that, when depressed by the foot, 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. (The basic notes of his music are very few and usually surrounded by a haze of the overtones created by the damper pedal of the piano.)
verb Move by working the pedals of a bicycle. Use the pedals of a piano, organ, or other keyboard instrument, especially in a particular style.
adjective Relating to the foot or feet. (Scaphopods burrow by projecting their foot into the substrate and contracting pedal retractor muscles to pull the animal downward.)