Length of land by the sea (9)
I believe the answer is:
coastline
(Other definitions for coastline that I've seen before include "Perimeter of. eg. Britain" , "Seaboard" , "Edge of a landmass" , "Outline of land from sea" , "Shore boundary" .)
I believe the answer is:
coastline
(Other definitions for coastline that I've seen before include "Perimeter of. eg. Britain" , "Seaboard" , "Edge of a landmass" , "Outline of land from sea" , "Shore boundary" .)