callback

1 ENTRIES FOUND:
callback /ˈkɑːlˌbæk/ noun
plural callbacks
callback
/ˈkɑːlˌbæk/
noun
plural callbacks
Britannica Dictionary definition of CALLBACK
[count]
1 
: a return telephone call
2 
: an official request or order for someone or something to return: such as
a  : a call for employees to come back to work
b  : a request to a worker to come back and fix problems