callback

noun
UK /ˈkɔːlbæk/
US /ˈkɔːlbæk/

A callback is when someone calls you back on the phone.

I missed your call, so please give me a callback later.


OTHER MEANINGS

2. A request to come back for another audition or interview.

After the first audition, she got a callback for the lead role.

3. A function in computer code that runs after another task finishes.

The program uses a callback to show a message when the download ends.

4. A joke or scene that refers back to something earlier.

The movie's final scene is a funny callback to the beginning.