■ noun
1》 an outline, especially one representing or bounding the shape or form of something.
↘(also ~ line ) a line on a map joining points of equal height above or below sea level.
↘a line joining points on a diagram at which some property has the same value.
2》 a way in which something varies, especially the pitch of music or the pattern of tones in an utterance.
■ verb
1》 mould into a specific shape.
2》 [usu. as adjective ~ed ] mark (a map or diagram) with ~s.
3》 (of a road or railway) follow the outline of (a topographical feature).
Origin
C17: from Fr., from Ital. contorno , from contornare 'draw in outline', from con- 'together'+ tornare 'to turn'.