SOCKET

[noun] [C] - the part of esp. a piece of electrical equipment into which another part fitsI really need a double socket so I can use the kettle and the radio at the same time.He had forgotten to plug the television into the wall/(UK) mains socket.The air freshener plugs into a car's lighter socket.See pictures: Plugs and sockets, LightsSome parts of the body into which other parts fit are referred to as sockets.a tooth/eye socketa ball-and-socket joint like the hip jointA socket set is a set of metal tools of different sizes, which fix onto one handle and are used to fasten and unfasten nuts on pieces of equipment.See picture: Tools