Graticule

//ˈɡɹætɪkjuːl// noun

Definitions

Noun
  1. 1
    A grid of horizontal and vertical lines; specifically, one used as a guide to proportionately enlarge or reduce a drawing.; The network of lines of latitude and longitude that make up a coordinate system such as the one used for charts and maps of the Earth.
  2. 2
    a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument wordnet
  3. 3
    A grid of horizontal and vertical lines; specifically, one used as a guide to proportionately enlarge or reduce a drawing.; Synonym of reticle (“a transparent plate marked with a crosshair, grid, or scale which is used in an optical instrument, etc., to aid in alignment, counting, or measurement of objects being observed; also, the crosshair, grid, or scale on such a plate”). UK
  4. 4
    A (nearly) rectangular or square region created by a grid of horizontal and vertical lines. broadly

Etymology

Borrowed from French graticule, from Medieval Latin grātīcula, from Latin crāticula (“grating, grill”), from crātis (“hurdle; wickerwork”) (probably from Proto-Indo-European *kréh₂-tis (“fenced handiwork”)) + -cula (feminine form of -culus, a variant of -ulus (“diminutive suffix”)).

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