Dictionary

noun

Definitions

1. 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.

   Synonyms:cavy

2. A rodent of any of several species within the family Caviidae.

3. A living experimental subject.

   Example: He became a human guinea pig and was paid by the company.

   Synonyms:lab rat

4. A professional company director, without time or real qualifications for the duties.