Pluto
WordNet
noun
(1) A small planet and the farthest known planet from the sun; has the most elliptical orbit of all the planets
"Pluto was discovered by Clyde Tombaugh in 1930"
(2) (Greek mythology) the god of the underworld in ancient mythology; brother of Zeus and husband of Persephone
(3) A cartoon character created by Walt Disney
WiktionaryText
Proper noun
- Greek and Roman god of the underworld.
- Originally known as the ninth planet but reclassified in 2006 as a dwarf planet, the brightest and first known Kuiper belt object, represented by the symbol in astronomy and in astrology.
See also
- Cerberus
- Charon
- Hydra
- Nix
- underworld
- Planets, Wikipedia article