Waywiser

//ˈweɪˌwaɪ.zɚ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An instrument for measuring distance travelled, such as an odometer, pedometer, perambulator, etc.

    "I went to see Colonel Blount, who showed me the application of the "Waywiser" to a coach, exactly measuring the miles and showing them by an index as we went along."

  2. 2
    An instrument for determining direction (and possibly other aspects of one's travel as well).

    "Not being accustomed to this cruciform movement, I was not able, by the waywiser, to determine the real direction of the balloon, and on this account M. Robertson suffered to escape a considerable quantity of gas; on which we again fell till the barometer stood at 29 inches, about 50 minutes past seven."

  3. 3
    A guide; A means of determining the direction in which to proceed. figuratively

    "We have not sought to make a treatise, but only to set up a waywiser or signpost to show the road the law is taking ."

Example

More examples

"I went to see Colonel Blount, who showed me the application of the "Waywiser" to a coach, exactly measuring the miles and showing them by an index as we went along."

Etymology

Compare German Wegweiser (“a waymark, a guide”), from Weg (“way”) + weisen (“to show, direct”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.