Pronunciation: (sok'it),[key] —n. 1. a hollow part or piece for receiving and holding some part or thing.
2. Elect. a. a device intended to hold an electric light bulb mechanically and connect it electrically to circuit wires.
b. Also called wall socket. a socket placed in a wall to receive a plug that makes an electrical connection with supply wiring.
3. Anat. a. a hollow in one part that receives another part: the socket of the eye. b. the concavity of a joint: the socket of the hip.