A foot-operated lever used for actuating or controlling a mechanism, as in a loom, sewing machine, piano, or organ. A similar foot-operated part attached to a crank and used for powering various devices, such as a bicycle. Music A pedal point. Music A pedal keyboard. Of or relating to a pedal. Of or relating to a foot or footlike part: the pedal extremities. To use or operate a pedal or pedals. To ride a bicycle. To operate the pedals of.