E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Chiron [Kiron].
The centaur who taught Achilles music, medicine, and hunting. Jupiter placed him in heaven among the stars, where he is called Sagittarius (the Archer).
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Chiron, according to Dantë, has watch over the lake of boiling blood, in the seventh circle of hell.