cavy

short-tailed rough-haired South American rodent

• guinea pig, Cavia cobaya — stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
• aperea, wild cavy, Cavia porcellus — South American cavy; possibly ancestral to the domestic guinea pig

• rodent, gnawer, gnawing animal — relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing

• Cavia, genus Cavia — type genus of the Caviidae: guinea pigs