1Greek Mythology A nymph who was changed into a bear by Zeus.
See also Ursa Major
2Astronomy One of the Galilean moons of Jupiter, the eighth-closest satellite to the planet, icy with a dark, cratered surface (diameter 4,800 km).
Rhymes
fritto misto
Definition of Callisto in US English:
Callisto
proper nounkəˈlistō
1Greek Mythology A nymph who was changed into a bear by Zeus.
See also Ursa Major
2Astronomy One of the Galilean moons of Jupiter, the eighth closest satellite to the planet. Icy with a dark, cratered surface, it has a diameter of 2,938 miles (4,800 km).