from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument for recording the distance and course traveled by a vehicle.

from the GNU version of the Collaborative International Dictionary of English

  • n. A machine for registering the distance traversed by a vehicle or pedestrain.
  • n. A device for recording the length and rapidity of stride and the number of steps taken by a walker.

from The Century Dictionary and Cyclopedia

  • n. Same as hodograph.
  • n. An odometer or pedometer.


Greek hodos, journey + -graph.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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