Pronunciation: (lō'kō-iz"um), [key]
—n. Vet. Pathol.
a disease chiefly of sheep, horses, and cattle, caused by the eating of locoweed and characterized by weakness, impaired vision, irregular behavior, and paralysis. Also called loco, loco disease.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.