Wiktionary
n. A map made to show the relief measurements of the land by means of contour lines.
WordNet
n. a map having contour lines through points of equal elevation [syn: relief map]
Usage examples of "contour map".
Karal sat back for a moment, and pictured the physical model that the engineers had constructed, a large basin filled with water, the bottom covered with a contour map of Valdemar and most of the surrounding area.
Dumarest strode across the operations room to where the big contour map stood marked with colored points and lines.
Following that came a contour map showing the various elevations of the windows in the house, with reference to the road along which the automobile had traveled.
He felt possibilities spinning all around him like an elaborate contour map, with ripples and intersections, a locus of points, and paths that led into and out of the void.