Pronunciation: (kī'ron), [key]
1. Class. Myth.a wise and beneficent centaur, teacher of Achilles, Asclepius, and others.
2. Astron.an asteroid located between Saturn and Uranus, about 100 mi. (160 km) in diameter: discovered in 1977. Also,Cheiron.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.