a disease of cattle and especially of sheep in which the brain or spinal cord is infested with larvae of the dog tapeworm, Multiceps multiceps, producing staggers.
Definition: 2
a member or former member of the U.S. armed forces, especially an enlisted soldier.
Definition: 3
rigidly adhering to military regulations and practices; regimented; spit-and-polish: a platoon leader who tried to be more GI than anyone else.
Definition: 4
of a standardized style or type issued by the U.S. armed forces: GI shoes; GI blankets.
Definition: 5
conforming to the regulations or practices of the U.S. armed forces: Every recruit must get a GI haircut.