A line marking and shaping the outer form of an object
The contour lines showing the heights above sea-level are the directions along which species spread to form zones.
The west central portion has considerable irregularities of contour, and the north-west is distinctively hilly.
The sleek contour of the vase was eye-catching, so Brenda decided to purchase it.
They had compared Martha's drawing to the contour maps of the area back at Bird Song and decided this was as close to the general area of the mine that any type of roadway touched.
The student paid special attention to the curves of the contour lines when reproducing the teacher's artwork.