Meaning of SOCKET in English
/ ˈsɒkɪt; NAmE ˈsɑːkɪt/ noun
(also ˈpower point ) (both BrE ) ( NAmE out·let , re·cep·tacle ) 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 wall socket
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
a curved hollow space in the surface of sth that another part fits into or moves around in :
His eyes bulged in their sockets.
Middle English (in the sense head of a spear, resembling a ploughshare ): from an Anglo-Norman French diminutive of Old French soc ploughshare, probably of Celtic origin.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005