A person who is subjected to experimental or other observational procedures; someone who is an object of investigation. Synonyms:case, subject."The cases that we studied were drawn from two different communities"
2.
Stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research. Synonym:Cavia cobaya.
... degraded genus is Gyropus. Mr. C. Cook has found Gyropus ovalis of Europe abundant on the Guinea pig. A species is also found on the porpoise; an interesting fact, as this is the only insect we know of that lives parasitically ... — Our Common Insects - A Popular Account of the Insects of Our Fields, Forests, - Gardens and Houses • Alpheus Spring Packard Read full book for free!
... next morning by a variety of sounds. The mocking-bird, the canary, the hens, and Horace's guinea pig were astir, and wished their little world to be aware of it. Flyaway was dressed and running about, making herself ... — Dotty Dimple Out West • Sophie May Read full book for free!