Definitions For Io
noun
- The closest of Jupiter's moons; has active volcanoes
- (Greek mythology) a maiden seduced by Zeus; when Hera was about to discover them together Zeus turned her into a white heifer
noun
- The closest of Jupiter's moons; has active volcanoes
- (Greek mythology) a maiden seduced by Zeus; when Hera was about to discover them together Zeus turned her into a white heifer
