guinea pig

guinea pig

n.

1. Any of various small, short-eared domesticated rodents of the genus Cavia, having variously colored hair and no visible tail. They are widely kept as pets and often used as experimental animals.

2. Informal A person who is used as a subject for experimentation or research.

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[Perhaps alteration (influenced by Guinea, used as a name for any faraway unknown country) of Guiana.]

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guinea pig

Noun

1. a tailless S American rodent, commonly kept as a pet or used in scientific experiments

2. a person used in an experiment [origin unknown]

Thesaurus

Noun	1.	guinea pig - a person who is subjected to experimental or other observational procedures; someone who is an object of investigation; "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities" subject, case individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"
	2.	guinea pig - stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research Cavia cobaya cavy - short-tailed rough-haired South American rodent

Translations

guinea pig n → cobaya;

(fig) → conejillo de Indias

guinea pig [ˈgɪnɪ-] n → cobaye m

guinea pig n → Meerschweinchen nt (fig) (person) → Versuchskaninchen nt

guinea pig n → cavia