Definition from Wiktionary, the free dictionary
- enPR: ĭk'sē-ŏn'
Proper noun 
- (Greek mythology) King of Lapiths, who was punished by Zeus for trying to seduce Hera by being bound to winged fiery wheel that was always spinning.
- A Kuiper belt object (KBO), 28978 Ixion (provisional designation 2001 KX76)
king of Lapiths
a Kuiper Belt object