Chiron

Chi·ron  (krn)

n. Greek Mythology

The wise centaur who tutored Achilles, Hercules, and Asclepius.

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Chiron, Cheiron [ˈkaɪrɒn -rən]

n

1. (Myth & Legend / Classical Myth & Legend) Greek myth a wise and kind centaur who taught many great heroes in their youth, including Achilles, Actaeon, and Jason

2. (Astronomy & Space / Celestial Objects) a minor planet, discovered by Charles Kowal in 1977, revolving round the sun between the orbits of Saturn and Uranus

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Chiron  (krn)

A large cometlike body with an orbit mostly between Saturn and Uranus. Discovered in 1977, Chiron was originally identified as an asteroid, but it has since been reclassified as a Centaur. Like a comet, Chiron has been observed to display a nebulous coma in its closest approach to the Sun, but at approximately 200 km (124 mi) in diameter it is far larger than any other known comet. See more at Centaur.

Thesaurus

Noun	1.	Chiron - (Greek mythology) the learned centaur who tutored Achilles, Asclepius, Hercules, Jason, and other heroes Greek mythology - the mythology of the ancient Greeks centaur - (classical mythology) a mythical being that is half man and half horse
	2.	Chiron - an asteroid discovered in 1977; it is unique in having an orbit lying mainly between the orbits of Saturn and Uranus asteroid - any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)