D defs.my
Entry 2 senses Webster, 1913

Contour

/kän'-to͝orˌ/ · Con·tour · IPA /ˈkɔntʉːə/
01 n. The outline of a figure or body, or the line or lines representing such an outline; the line that bounds; periphery.
  1. 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. 2.
    The outline of a horizontal section of the ground, or of works of fortification.(Mil.)
Phrases & compounds
Contour feathers — those feathers that form the general covering of a bird.
Contour of ground — the outline of the surface of ground with respect to its undulation, etc.
Contour line — the line in which a horizontal plane intersects a portion of ground, or the corresponding line in a map or chart.