Terpsĭchŏrē, ēs, f., = Τερψιχόρη,
the Muse of dancing , Aus. Idyll. 20, 5; hence, in gen., for Muse , poetry : Terpsichoren odit, Juv. 7, 35; Sid. Ep. 8, 16.
·noun The Muse who presided over the choral song and the dance, especially the latter. ...
Webster's Dictionary of the English Language