from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A map showing elevations and surface configuration by means of contour lines.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A map made to show the
reliefmeasurements of the land by means of contour lines.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a map having contour lines through points of equal elevation
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