: a disease especially of sheep caused by the larva of a tapeworm (Multiceps multiceps) in the brain
Word History
Etymology
back-formation from giddy
First Known Use
1601, in the meaning defined above
Medical Definition
gid
noun
ˈgid
: a disease especially of sheep that is caused by the presence in the brain of the coenurus of a tapeworm of the genus Taenia (T. multiceps) of the dog and related carnivores and is characterized by cerebral disturbances, dilated pupils, dizziness and circling movements, emaciation, and usually death