Webster’s Revised Unabridged Dictionary · 1913
Odometer
O·dom′e·ter (ō·dŏm′ē·tẽr), n. [Gr. ὀδόμετρον, ὀδόμετρος, an instrument for measuring distance; ὀδός way + μέτρον measure: cf. F. odométre, hodométre.] An instrument attached to the wheel of a vehicle, to measure the distance traversed; also, a wheel used by surveyors, which registers the miles and rods traversed.