n. Med. a disorder characterized by jerky involuntary movements affecting esp. the shoulders, hips, and face.
Phrases and idioms:
Huntington's chorea chorea accompanied by a progressive dementia. Sydenham's chorea chorea esp. in children as one of the manifestations of rheumatic fever: also called ST VITUS'S DANCE.
Etymology: L f. Gk khoreia (as CHORUS)