Coastline
/kˈoʊˌstlaɪn/
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Definition
(noun) The shape, outline, or boundary of a coast. (The term coastline is generally used to describe the approximate boundaries at relatively large spatial scales.)
Sentence Examples
The sea indented the coastline.
The city has a long coastline.
CEFR Practice Quiz
The ____ of the island is very rugged and very beautiful today.