Raynaud's disease: Meaning and Definition of

Ray•naud's' disease"

Pronunciation: (rā-nōz'), [key]
— Pathol. Pathol.
  1. a vascular disorder of unknown cause, characterized by recurrent episodes of blanching and numbness of the fingers and toes and sometimes the tip of the nose and ears, usually triggered by stress or exposure to cold.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.