Definitions for "Coastline"
the shape, outline, or boundary of a coast, where coastal processes operate
The linear interface between land and sea.
the boundary between land and water that has long straight stretches between the major outermost points of land
a fractal pattern -- no matter how much you magnify the image, the complexity of the original is exhibited in the fragment
Keywords:  shoreline, line, see
Same as shoreline. See coast line.