cross-hatching

from The Collaborative International Dictionary of English v.0.48

Hatching \Hatch"ing\, n. [See 1st {Hatch}.]
   A mode of execution in engraving, drawing, and miniature
   painting, in which shading is produced by lines crossing each
   other at angles more or less acute; -- called also
   {crosshatching}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Crosshatching \Cross"hatch`ing\, n.
   In drawing and line engraving, shading with lines that cross
   one another at an angle.
   [1913 Webster]