Topic: NATURE

Date: 1300-1400
Language: Old French
Origin: coste, from Latin costa 'rib, side'

coast

1 noun
     
coast1 S3 W3
1DN [countable] the area where the land meets the sea [↪ coastal]
coast of
the west coast of Africa
We drove along the Pacific coast to Seattle.
on the coast
I used to live in a small village on the coast (=on the land near the sea).
off the coast
a small island off the coast (=in the sea near the land) of Scotland
the first European to cross Africa coast to coast
2

the coast is clear

informal if the coast is clear, it is safe for you to do something without being seen or caught

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