St Vitus’s dance
noun/snt ˌvaɪtəsɪz ˈdɑːns/
/seɪnt ˌvaɪtəsɪz ˈdæns/
[uncountable] (old-fashioned)- Sydenham’s chorea (= a disease that mostly affects children, which causes the body to make small sudden movements and often follows rheumatic fever)
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St Vitus’s dance