Meaning of SEA in English

SEA

■ noun

1》 the expanse of salt water that covers most of the earth's surface and surrounds its land masses.

↘a roughly definable area of this: the Black Sea.

↘(also ~s ) waves as opposed to calm ~.

2》 a vast expanse or quantity: a ~ of faces.

Phrases

at ~

1》 sailing on the ~.

2》 (also all at ~ ) confused; uncertain.

put ( out ) to ~ leave land on a voyage.

one's ~ legs one's ability to keep one's balance and not feel ~sick on board a moving ship.

Derivatives

~ward adjective & adverb

~wards adverb

Origin

OE s , of Gmc origin.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.