رُعَاشٌ
Root: رعش
Full Definition
رُعَاشٌ
[and
رِعْشَةٌ ] A tremour, quivering, quaking, or shivering, that befalls a man in consequence of a disease that attacks him, not quitting him. You say, بِهِ رِعْشَةٌ and رُعَاشٌ [In him is a tremour, &c.].