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Webster 1913 Edition
Waywiser
Way′wisˊer
,Noun.
[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.