Meaning of contour line

con'tour line"

Pronunciation: [key]
  1. a line joining points of equal elevation on a surface.
  2. the representation of such a line on a map.
  3. a line parallel to a trace. Cf. trace (def. 11). Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.