Definition of "callback" in English

noun

1. The return of a situation to a previous position or state; a reference to such a position or state.

2. (telephony) A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network.

3. A product recall because of a defect or safety concern.

4. (programming) A function pointer passed as an argument to another function.

5. (theater) A follow-up audition in casting.

6. (business) A follow-up interview in employment recruiting.

7. (comedy) A joke which references an earlier joke in the same routine.

8. A form of audience participation in which the audience shout lines in response to the dialog of a film.