n. An opening or cavity into which anything is fitted; any hollow thing or place which receives and holds something else.n. Specifically A small hollow tube or depression in a candlestick to hold a candle. Also called nozle.n. In anatomy, specifically, the hollow of one part which receives another; the concavity or excavation of an articulation: as, an eye-socket; the socket of the hip.n. In mining, the end of a shot-hole, when this remains visible after the shot has been fired.n. In well-boring, a tool with various forms of gripping mechanism, for seizing and lifting tools dropped in the tube.n. In the just, a defense of steel attached to the saddle, and serving to protect the legs and thighs. Compare bur, 3 . Also socquette.To provide with or place in a socket.n. In golf, the neck of a club into which the shaft runs.n. A chuck or holder on the end of a drill-spindle having a taper-hole to receive the corresponding taper-shank of the drill or of another socket.