a disease characterized by spasm of the arteries in the extremities, especially the fingers ( Raynaud’s phenomenon). It is typically brought on by constant cold or vibration, and leads to pallor, pain, numbness, and in severe cases, gangrene.
late 19th century: named after Maurice Raynaud (1834–81), French physician
Raynaud's disease in other Oxford dictionaries
Definition of Raynaud's disease in the US English dictionary