[{"Bold_text": "noun", "List Items": ["any of several diseases of the nervous system characterized by jerky, involuntary movements, chiefly of the face and extremities.", "Also called St. Vitus's dance St. Vitus's dance.such a disease occurring chiefly in children and associated with rheumatic fever.", "Veterinary Pathology.a disease of the central nervous system caused by bacterial or degeneration, most common in dogs following canine distemper, characterized by irregular, jerky, involuntary muscular movements."]}]