EnglishMain Dictionary
socket
Universal Words
noun
1 (also power point) (both BrE) (AmE outlet, receptacle) a device in a wall that you put a PLUG into in order to connect electrical equipment to the power supply of a building:
a mains / wall socket
2 a device on a piece of electrical equipment that you can fix a PLUG, a light BULB, etc. into:
an aerial socket on the television
3 a curved hollow space in the surface of sth that another part fits into or moves around in:
His eyes bulged in their sockets. * The dog nearly pulled my arm out of its socket.