n.
  - a hollow in which something fits or revolves. 
▸the part of the head of a golf club into which the shaft is fitted.
 - an electrical device receiving a plug or light bulb to make a connection.
 
v.
 (sockets, socketing, socketed)
  - place in or fit with a socket.
 - Golf,  dated shank (a ball).
 
 
  Etymology
  ME: from an Anglo-Norman Fr. dimin. of OFr. soc ‘ploughshare’, prob. of Celtic origin.