Hercules /(?)/

Her·cu·les

Hercules

n.
  1. 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.” (Gr. Myth.)
  2. A constellation in the northern hemisphere, near Lyra. (Astron.)

Phrases & Compounds
Hercules' beetle
any species of Dynastes, an American genus of very large lamellicorn beetles, esp. Dynastes hercules of South America, which grows to a length of six inches.
Hercules powder
an explosive containing nitroglycerin; -- used for blasting.