Definition of socket noun from the Oxford Advanced Learner's Dictionary

     

    socket

     noun
    noun
    BrE BrE//ˈsɒkɪt//
     
    ; NAmE NAmE//ˈsɑːkɪt//
     
    House equipment
     
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  1. 1(British English also power point) (North American English also 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 wall socket The battery charger plugs into any mains socket. See related entries: House equipment
  2. 2a 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. 3a curved hollow space in the surface of something 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.
  4. Word Origin 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.
See the Oxford Advanced American Dictionary entry: socket

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