O-dŏm'e-ter, n.

n. [Fr. odomètre, Sp. & It. odometro, Gr. ὁδόμετρον, ὁδόμετρος, from ὁδός, way, and μέτρον, measure.] An instrument attached to the wheel of a carriage, to measure distance in traveling, indicating on a dial the number of revolutions made by the wheel.