n An (l|en|Ancient Greek)(l|en|circular)(l|en|dance) accompanied by a (l|en|chorus).
n (medicine) Any of the various (l|en|diseases) of the (l|en|nervous system) characterized by (l|en|involuntary)(l|en|muscular) movements of the face and extremities; [http://en.wikipedia.org/wiki/St._Vitus's_dance St. Vitus's dance].