Definition of: Ganymede

(gan′ə·mēd)
1. In Greek mythology, a beautiful shepherd boy of Troy whom Zeus, in the form of an eagle, carried up to Olympus to succeed Hebe as cupbearer to the gods; hence, any boy who serves drinks; a cupbearer.
2. Astron. The fourth (commonly called third) and largest satellite of Jupiter. [<Gk. Ganymēdēs]