Webster's Revised Unabridged Dictionary · 1913

rerun

rerun (rē*run") , transitive verb

1.
To broadcast again, as of a film; as, they reran the episode for the tenth time.
2.
To perform again, as an experiment; as, they reran the test to confirm the surprising result.

Also: re-run

rerun (rē"run) , noun

A repeated broadcast, such as of a film or episode of a television series; as, the seventh rerun had a surprisingly large audience.

Also: re-run