Meaning of SOCKET in English

SOCKET

sock ‧ et /ˈsɒkət, ˈsɒkɪt $ ˈsɑː-/ BrE AmE noun [countable]

[ Date: 1200-1300 ; Language: Anglo-French ; Origin: soket , from Old French soc 'broad curved blade of a plow' ]

1 . a place in a wall where you can connect electrical equipment to the supply of electricity SYN power point British English , outlet American English

2 . the place on a piece of electrical equipment that you put a ↑ plug or a ↑ light bulb into:

a headphone socket

3 . a hollow part of a structure into which something fits:

the eye sockets

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.