socket

/ˈsɑkɪt/
noun
  1. A device in a wall that you plug electrical equipment into to get power.
    • She plugged the lamp into the wall socket.
    • The electrician installed a new socket in the kitchen.
    • Make sure the toaster is connected to a working socket.
  2. A hollow part or opening that something fits into, such as a bone joint or a tool holder.
    • The ball of the hip bone fits into the socket of the pelvis.
    • The eye socket protects the eyeball from injury.
    • He inserted the screwdriver bit into the socket of the drill.
  3. A device on a computer or network that allows programs to send and receive data.
    • The server opened a socket to listen for incoming connections.
    • Each network connection uses a unique socket address.
    • The programmer wrote code to create a socket for data transfer.
What does "socket" mean? | whatsthatwordmean | whatsthatwordmean