
A living experimental subject.
[noun]
Examples:
β’ He became a human guinea pig and was paid by the company.
A tailless rodent of the family Caviidae and the genus Cavia, with short ears and larger than a hamster; the species Cavia porcellus is often kept as a pet.
[noun]
A rodent of any of several species within the family Caviidae.
[noun]