A series of short parallel lines used in map drawing to indicate the steepness of a slope. The cartographer used hachures to represent the mountainous terrain on the map.
Any one of the short parallel lines drawn on a map or drawing to depict the slope or texture of a surface. Individual hachures point downslope, giving the viewer an immediate sense of gradient.
The cartographic technique of representing relief or shading by means of short parallel lines. Before contour lines became standard, hachure was the dominant method for showing relief on maps.