- socket - a bony hollow into which a structure fits
--1 is a kind of cavity, bodily cavity, cavum
--1 is a part of bone, os
--1 has particulars:hip socket; tooth socket, alveolus; acetabulum, cotyloid cavity - socket - receptacle where something (a pipe or probe or end of a bone) is inserted
--2 is a kind of receptacle
--2 is a part ofbox wrench, box end wrench; socket wrench; ball-and-socket joint - socket - a receptacle into which an electric device can be inserted
--3 is a kind of receptacle
--3 has particulars: electric socket - socket - receptacle where something (a pipe or probe or end of a bone) is inserted