cavy

/ˈkeɪ.vi/

IPA: /K EY1 V IY0/

noun
  1. 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.

    syn:cavy
  2. 2

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

  3. 3

    A living experimental subject.

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

  4. 4

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

  5. 5

    A midshipman in the East India service; (by extension) a low-skilled or non-proficient seaman.

Synonyms

Source: https://en.wiktionary.org/wiki/cavy, https://en.wiktionary.org/wiki/guinea%20pig