Definitions
1.nounA television program shown after its initial presentation — particularly many weeks after its initial presentation; a repeat.
2.nounAnother printing run (impression; batch of copies of a given edition) of a book, cartoon, etc.
3.nounA political candidate who holds the same political agenda or doctrine as a past or incumbent holder of a given political office.
4.nounA second or subsequent run of a program."Each rerun of the algorithm takes several minutes."
5.verbTo run (a previously broadcast television program) again.
6.verbTo run (a race) again.
7.verbTo run (a computer program) again.