callback

/ˈkɔlˌbæk/
noun
  1. A return phone call, especially one made in response to a previous call or request.
    • I missed the doctor's call, so I left a message asking for a callback.
    • After the interview, the company scheduled a callback for the second round.
    • The customer service representative promised a callback within two hours.
  2. A second audition or interview for a role or job, after an initial one.
    • She was thrilled to receive a callback for the lead role in the play.
    • Only three actors got a callback after the first round of auditions.
    • The director said the callback would involve reading a scene with another actor.
  3. In computing, a function that is passed as an argument to another function and executed after some event.
    • The program uses a callback to update the user interface when data loads.
    • You need to define a callback that runs after the file is saved.
    • The error callback handles any problems that occur during the request.
What does "callback" mean? | whatsthatwordmean | whatsthatwordmean