Definition of Ganymede in US English:


proper noun

  • 1Greek Mythology
    A Trojan youth who was so beautiful that he was carried off by Zeus to be the cupbearer for the Olympic gods.

  • 2Astronomy
    One of the Galilean moons of Jupiter, the seventh closest satellite to the planet and the largest satellite in the solar system with a diameter of 3,268 miles (5,260 km).