an outline representing or bounding the shape or form of something
From French 'contour,' from Italian 'contorno,' from 'contornare' (to go around), from Latin 'con-' + 'tornare' (to turn)
Contour comes from the idea of 'turning around' something to trace its outline. Topographic maps use contour lines to show elevation - each line 'turns around' the mountain at the same height!
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