noun Any of various concave objects (or portions of larger objects) that envelop a counterpart object. An opening into which a plug or other connecting part is designed to fit (e.g. a light bulb socket).
noun An opening into which a plug or other connecting part is designed to fit (e.g. a light bulb socket).
noun A hollow into a bone which a part fits, such as an eye, or another bone, in the case of a joint.
noun The socket head for a socket wrench.
noun A hollow tool for grasping and lifting tools dropped in a well-boring.
noun The hollow of a candlestick.
noun One endpoint of a two-way communication link, used for interprocess communication across a network.
noun One endpoint of a two-way named pipe on Unix and Unix-like systems, used for interprocess communication.