- a celebrated hero, the son of Zeus and Alcmene, possessing exceptional strength: among his many adventures were the twelve labors for his cousin Eurystheus, performed in order to gain immortality.
- a northern constellation, between Lyra and Corona Borealis.
- a hero noted for his great strength, courage, and for the performance of twelve immense labours
- a man of outstanding strength or size
- a large constellation in the N hemisphere lying between Lyra and Corona Borealis
- a conspicuous crater in the NW quadrant of the moon, about 70 kilometres in diameter
