GRATICULES
Scrabble letter values: G2R1A1T1I1C3U1L1E1S1 = 13
Definition
GRATICULES is the plural of GRATICULE.
noun GRATICULE: a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument.
Synonyms of GRATICULE: reticle, reticule