contourn.[F. contour, fr. contourner to mark the outlines; con- + tourner to turn. See Turn.]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 (Zol.), 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.()a.[F., p. p. of contourner to twist.] (Her.) Turned in a direction which is not the usual one; -- said of an animal turned to the sinister which is usually turned to the dexter, or the like.()