Bedeutung von “sea” — Learner’s Dictionary

sea

noun us uk /siː/
The plane plunged headlong into the sea.The rocks jutted out into the sea.He stripped off his clothes and ran into the sea.Strong currents carried them out to sea.The coastline is slowly being eroded by the sea.

A1 [ C, U ] a large area of salt water:

I'd like to live by the sea.
We went swimming in the sea.
It was our third day at sea (= travelling on the sea).
It's cheaper to send parcels by sea (= on a ship).
Sea

A1 a particular area of salt water:

the North Sea
the Black Sea
a sea of sth

a large number of something:

He looked across the room and saw a sea of faces.

(Definition von “sea” aus dem Cambridge Learner's Dictionary © Cambridge University Press)