noun, masculine/ɡʁa.ti.kyl/plural: graticules
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”)).