Definition that contains hercules
- planet (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
- prometheus (Greek mythology) the Titan who stole fire from Olympus and gave it to mankind; Zeus punished him by chaining him to a rock where an eagle gnawed at his liver until Hercules rescued him
- gibraltar location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
- geryon (Greek mythology) a mythical monster with three heads that was slain by Hercules
- hebe (Greek mythology) the goddess of youth and spring; wife of Hercules; daughter of Zeus and Hera; cupbearer to the Olympian gods
- herculean extremely difficult; requiring the strength of a Hercules
- chiron (Greek mythology) the learned centaur who tutored Achilles, Asclepius, Hercules, Jason, and other heroes
- calpe location of a colony of the United Kingdom on a limestone promontory at the southern tip of Spain; strategically important because it can control the entrance of ships into the Mediterranean; one of the Pillars of Hercules
- ophiuchus a large constellation in the equatorial region between Hercules and Scorpius
- abila a promontory in northern Morocco opposite the Rock of Gibraltar; one of the Pillars of Hercules