CALLBACK

recall, callback

(noun) a request by the manufacturer of a defective product to return the product (as for replacement or repair)

Source: WordNet® 3.1

Etymology

Noun

callback (plural callbacks)

The return of a situation to a previous position or state.

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

A product recall because of a defect or safety concern.

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

(theater) a follow-up audition (casting)

(comedy) a joke which references an earlier joke in the same routine

Synonyms

• (joke): running gag

Source: Wiktionary