wall socket  From The Collaborative International Dictionary of
English v.0.48:  Socket \Sock"et\, n. [OE. soket, a dim. through
OF. fr. L.    soccus. See Sock a covering for the foot.]    1.
An opening into which anything is fitted; any hollow thing
or place which receives and holds something else; as, the
sockets of the teeth.       [1913 Webster]              His
eyeballs in their hollow sockets sink. --Dryden.       [1913
Webster]     2. Especially, the hollow tube or place in which a
candle is       fixed in the candlestick.       [1913 Webster]
3. (Electricity) the receptacle of an electric lamp into
which a light bulb is inserted, containing contacts to
conduct electricity to the bulb.     4. (Electricity) the
receptacle fixed in a wall and connected       by conductive
wiring to an electrical supply, containing       contacts to
conduct electricity, and into which the plug       of an
electrical device is inserted; -- called also a       wall
socket or outlet. The socket wi