The Collaborative International Dictionary
tarentism
Tarantism \Tar"ant*ism\, n. [It. tarantismo: cf. F. tarentisme. See Tarantula.] (Med.) A nervous affection producing melancholy, stupor, and an uncontrollable desire to dance. It was supposed to be produced by the bite of the tarantula, and considered to be incapable of cure except by protracted dancing to appropriate music. [Written also tarentism.]
Wiktionary
tarentism
n. (alternative form of tarantism English)