Noun: graticule 'gra-tu,kyool- A network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
"The sniper aligned the graticule in his scope with the target";
- reticle, reticule
Derived forms: graticules
Type of: network
Part of: eyepiece, ocular
Encyclopedia: Graticule