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. 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 organic degeneration, most common in dogs following canine distemper, characterized by irregular, jerky, involuntary muscular movements.
Origin of chorea
1680–90; < Greekchoreía a dance, equivalent to chor(ós) chorus + -eia-y3
Related formscho·re·al, cho·re·ic, cho·re·at·ic[kawr-ee-at-ik, kohr-]/ˌkɔr iˈæt ɪk, ˌkoʊr-/, adjectivecho·re·oid[kawr-ee-oid, kohr-]/ˈkɔr iˌɔɪd, ˈkoʊr-/, adjectiveCan be confusedchoreaKorea
1806, from Modern Latin chorea Sancti Viti "St. Vitus dance" (originally a mass hysteria in 15c. Europe characterized by uncontrolled dancing); from Latin chorea "a dance," from Greek khoreia "dance" (see chorus). Extension to the nerve disorder is from 1620s.