n. A method of showing shading by means of multiple small lines that intersect.
n. A method of indicating terrain on a map by using the same technique.
the GNU version of the Collaborative International Dictionary of English
n. In drawing and line engraving, shading with lines that cross one another at an angle.
The Century Dictionary and Cyclopedia
n. In drawing and engraving, the art of hatching or shading by parallel intersecting lines.
Word Usage
"They are interlaced, weaving together physically to make a place where neighborhoods abut another country, where a single street can pass between two cities as it meanders from building to building (a phenomenon called "crosshatching")."