DictionarysocketReceiving hollow
noun / verb

socket

SAH-kit/ˈsɑːkɪt/

A receiving recess into which a matching part connects.

The bulb's screw base matches the threaded recess inside the ceramic socket.

Close-up of an empty ceramic light-bulb socket, with its hollow threaded opening clearly visible and a matching screw-base bulb aligned just above it.
Etymology

Soc, “plowshare,” with a diminutive ending first named a plowshare-shaped spearhead. The word later meant a hollow holder, the sense shared by electrical sockets and anatomical joints.

In context

E3 Rehab0:20
the hip is a ball and socket joint the ball is the head of your thigh bone or femur and the socket known as the acetabulum is part of your pelvis
Groin Pain Rehab | Adductor Strain / Pull (Education | Myths | Stretches & Strengthening Exercises)

More examples

  • The shoulder joint holds the upper arm bone in a socket.
  • The technician sockets the replacement chip into the circuit board.
  • The program opens a socket to communicate with the server.

Forms

socket · sockets · socketed · socketing

Similar words

receptacle
A broader term for a container or receiving fitting.
recess
A hollow or indentation, not necessarily shaped for a matching part.