English Reference
noun · verb

socket

n. · v.
US /ˈsɑkət/ UK /sˈɒkɪt/ sock·et UK spelling socket's, socket's, socketing

  1. 01 B1 Intermediate

    n.the place on a wall where you plug in electrical equipment.

    n.a device or opening into which an electric plug can be inserted to make a connection.

    Simple

    He plugged the vacuum cleaner into the wall socket in the hallway.

    In context

    The contractor installed several additional sockets in the home office to accommodate the client's extensive computer equipment and peripherals.

    outletpower point
  2. 02 B2 Upper Intermediate Medicine

    n.a hollow space in the body that holds a part, like an eye or a bone.

    n.a natural hollow or cavity in the body into which another part, such as a bone or an organ, fits.

    Simple

    The skull has two large sockets that hold the eyes in place.

    In context

    The surgeon carefully examined the hip socket to determine if the joint replacement was properly aligned with the pelvic bone.

  3. 03 C1 Advanced Technical Computing

    n.a connection point for sending and receiving data over a computer network.

    n.one endpoint of a two-way communication link between two programs running on a network.

    Simple

    The software failed to connect because the server socket was already in use.

    In context

    The application establishes a secure socket to ensure that all data transmitted between the client and the server remains encrypted.

  4. 04 B2 Upper Intermediate

    n.a hollow part of a tool or machine that another part fits into.

    n.a hollow part or piece of a mechanism into which a corresponding part is inserted or revolves.

    Simple

    You need a different size socket for the wrench to loosen this bolt.

    In context

    The lightbulb was stuck in the socket because the metal had corroded over several years of exposure to moisture.

  5. 05 C2 Proficiency FormalTechnical

    v.to place or fit something into a socket.

    v.to place, fit, or secure an object within a corresponding hollow or receptacle.

    Simple

    The technician carefully socketed the new processor into the motherboard.

    In context

    The structural components are designed to be socketed together, providing a rigid frame without the need for external fasteners.


From Middle English socket, soket, from Anglo-Norman soket (“spearhead”), diminutive of Old French soc (“plowshare”), from Vulgar Latin soccus, a word borrowed from Gaulish, from Proto-Celtic sukkos (compare modern Welsh swch (“plowshare”)), literally "pig's snout", from Proto-Indo-European *suH-.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin ine-pro *suH-
Level B2 · Upper Intermediate
Frequency Frequent
Updated