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.
His eyeballs in their hollow sockets sink. --Dryden.
2. Especially, the hollow tube or place in which a candle is fixed in the candlestick.
And in the sockets oily bubbles dance. --Dryden.
Socket bolt Mach., a bolt that passes through a thimble that is placed between the parts connected by the bolt.
Socket chisel. Same as Framing chisel. See under Framing.
Socket pipe, a pipe with an expansion at one end to receive the end of a connecting pipe.
Socket pole, a pole armed with iron fixed on by means of a socket, and used to propel boats, etc. [U.S.]
Socket wrench, a wrench consisting of a socket at the end of a shank or rod, for turning a nut, bolthead, etc., in a narrow or deep recess.
n : a wrench with a handle onto which sockets of different sizes
can be fitted