'Tachymeter' definitions:

Definition of 'tachymeter'

(from WordNet)
noun
A theodolite designed for rapid measurements [syn: tachymeter, tacheometer]

Definition of 'Tachymeter'

From: GCIDE
  • Tachymeter \Ta*chym"e*ter\, n. [Tachy- + -meter.]
  • 1. (Surveying) An instrument, esp. a transit or theodolite with stadia wires, for determining quickly the distances, bearings, and elevations of distant objects. [Webster 1913 Suppl.]
  • 2. A speed indicator; a tachometer. [Webster 1913 Suppl.]