Source : Webster's Revised Unabridged Dictionary (1913)

Hachure \Hach"ure\, n. [F., fr. hacher to hack. See {Hatching}.]
   (Fine Arts)
   A short line used in drawing and engraving, especially in
   shading and denoting different surfaces, as in map drawing.
   See {Hatching}.

Source : WordNet®

hachure
     n : shading consisting of multiple crossing lines [syn: {hatch},
          {hatching}, {crosshatch}]