From Longman Dictionary of Contemporary Englishcross-hatchingˈcross-ˌhatching noun [uncountable] AVDlines drawn across part of a picture, diagram etc to show that something is made of different material, or to produce the effect of shade
Examples from the Corpus
cross-hatching• Killion jumped over a barracks through a cross-hatching of furious ground fire, and fled to the west. 