a demigod, one of the Titans, who was worshipped by craftsmen. When Zeus hid fire away from man Prometheus stole it by trickery and returned it to earth. As punishment Zeus chained him to a rock where an eagle fed each day on his liver, which grew again each night; he was rescued by Hercules.
Derivatives
Promethean
adjective
Prometheus in other Oxford dictionaries
Definition of Prometheus in the US English dictionary