Hercules

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. Greek & Roman Mythology The son of Zeus and Alcmene, a hero of extraordinary strength who won immortality by performing 12 labors demanded by the Argive king Eurystheus.
• n. A constellation in the Northern Hemisphere near Lyra and Corona Borealis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• proper n. Son of Jupiter and Alcmene, a celebrated hero who possessed exceptional strength. Most famous for his 12 labors performed to redeem himself after killing his family.
• proper n. A summer constellation of the northern sky, said to resemble the mythical hero. It lies between the constellations Lyra and Corona Borealis.
• proper n. A crater in the first quadrant on the moon.

from the GNU version of the Collaborative International Dictionary of English

• n. A hero, fabled to have been the son of Jupiter and Alcmena, and celebrated for great strength, esp. for the accomplishment of his twelve great tasks or “labors.”
• n. A constellation in the northern hemisphere, near Lyra.

from The Century Dictionary and Cyclopedia

• n. In Greek and Roman mythology, a mighty hero, originating in Greek legend, but adopted by the Romans, and worshiped as the god of physical strength, Courage, and related qualities.
• n. One of the ancient constellations, between Lyra and Corona Borealis, representing a man upon one knee, with his head toward the south, and with uplifted arms.
• n. A form of drop-hammer. See the extract.
• n. Same as Hercules-beetle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. (classical mythology) a hero noted for his strength; performed 12 immense labors to gain immortality
• n. a large constellation in the northern hemisphere between Lyra and Corona Borealis