Pedograph

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pedograph \Ped"o*graph\ (p[e^]d"[-o]*gr[.a]f), n. [Gr. pe`don
     ground + -graph.]
     An instrument carried by a pedestrian for automatically
     making a topographical record of the ground covered during a
     journey.
     [Webster 1913 Suppl.]