graticule Meaning, Definition & Usage

  1. noun a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
    reticule; reticle.

WordNet

Grat"i*cule noun
Etymology
F. See Graticulation.
Definitions
  1. A design or draught which has been divided into squares, in order to reproduce it in other dimensions.

Webster 1913