Definitions
1.nounThe return of a situation to a previous position or state.
2.nounA return telephone or radio call; especially one made automatically to authenticate a logon to a computer network.
3.nounA product recall because of a defect or safety concern.
4.nounA function pointer passed as an argument to another function.
5.nounA follow-up audition (casting)
6.nounA joke which references an earlier joke in the same routine