Pronunciation: (gid), [key]
—n. Vet. Pathol.
a disease of cattle and esp. of sheep in which the brain or spinal cord is infested with larvae of the dog tapeworm, Multiceps multiceps, producing staggers. Also called sturdy. Cf. water-brain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.