hachure

/hæˈʃʊr/
noun
  1. A series of short, parallel lines used on maps to show the direction and steepness of slopes.
    • The cartographer added hachures to make the terrain easier to read.
    • Hachures on old maps show mountains with fine lines running downhill.
    • The map used hachures to indicate the steep hillside.
Synonyms
verb
  1. To mark or shade with hachures.
    • She learned to hachure correctly in her geography class.
    • The artist hachured the drawing to give the cliff a sense of depth.
    • In the map, steep areas are hachured more densely.
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