Reference meaning
guinea pig
Last updated
a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
Related source terms
Other meanings
2. noun
stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 10668666-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.