Con·tour n.
 1. The outline of a figure or body, or the line or lines representing such an outline; the line that bounds; periphery.
    Titian's coloring and contours.   --A. Drummond.
 2. Mil. The outline of a horizontal section of the ground, or of works of fortification.
 Contour feathers Zool., those feathers that form the general covering of a bird.
 Contour of ground Surv., the outline of the surface of ground with respect to its undulation, etc.
 Contour line Topographical Suv., the line in which a horizontal plane intersects a portion of ground, or the corresponding line in a map or chart.

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