Meaning ofcallbackin English

Noun

1. a function passed as an argument
2. a return call for authentication; network access
3. a follow-up meeting for hiring purposes
   The company scheduled a callback interview with the candidate.
4. a follow-up audition (theater casting)
   The theater held a callback audition for the lead role.
5. a joke referencing an earlier one
   The comedian made a callback joke referencing his earlier pun.
6. return to a previous state; reference point
   The system will return to its previous state after the callback function is executed.