Pe-dŏm'e-ter, n.

n. [Fr. pédomètre, Sp. & It. pedometro, from Lat. pes, pedis, a foot, and Gr. μέτρον, a measure.] (Mech.) An instrument for indicating the number of steps taken in walking, and so ascertaining the distance passed over. It is usually in the form of a watch, and, when carried in the pocket, its index is caused to advance a certain space by the motion of the body at each step.