Terp·sich·o·re 
(tûrp-sĭkə-rē)
(tûrp-sĭkə-rē)n.
1. Greek Mythology The Muse of dancing and choral singing.
2. terpsichore The art of dancing.
[Latin Terpsichorē, from Greek Terpsikhorē, from feminine of terpsikhoros, dance-loving : terpein, to delight + khoros, dance; see gher-1 in the Appendix of Indo-European roots.]