The Collaborative International Dictionary
Waywiser
Waywiser \Way"wis`er\, n. [Cf. G. wegweiser a waymark, a guide; weg way + weisen to show, direct.] An instrument for measuring the distance which one has traveled on the road; an odometer, pedometer, or perambulator.
The waywiser to a coach, exactly measuring the miles,
and showing them by an index.
--Evelyn.
Wiktionary
waywiser
n. An instrument for measuring distance travelled; an odometer, pedometer, or perambulator.
Usage examples of "waywiser".
He had insisted on the most expensive equipment available for their project: brand-new theodolites, waywisers and measuring chains, of which none remained, the waywiser beside the fireplace being so old even the bailiffs had turned their noses up at it.