Pronunciation: (az"u-toor'ē-u, -tyoor'-, ā"zu-),[key] —n. 1. an elevated level of nitrogenous compounds in the urine.
2. Vet. Pathol.Also called Monday morning disease. a disease of horses, esp. draft horses returning to work after several days of inactivity and heavy feeding, characterized by muscle stiffness, paralysis, excessive sweating, and excretion of dark urine.