coastline
US /ˈkoʊst.laɪn/
UK /ˈkoʊst.laɪn/
1.
costa, litoral
the outline of a coast, especially with regard to its shape and appearance
:
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The rugged coastline of California is famous for its scenic beauty.
La escarpada costa de California es famosa por su belleza escénica.
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We walked along the sandy coastline at sunset.
Caminamos por la costa arenosa al atardecer.