Wāy'-wīs'er, n.

n. [Ger. wegweiser, a way-mark, a guide, from weg, way, and weisen, to show, direct.] An instrument for measuring the distance which one has traveled on the road; an odometer, pedometer, or perambulator. “The way-wiser to a coach, exactly measuring the miles, and showing them by an index.” Evelyn.