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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 guinea pig

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 guin·ea pig /ˈgɪnɪˌ/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Guin·ea pig
 1. Zool. A small Brazilian rodent (Cavia porcellus or Cavia cobaya), about seven inches in length and usually of a white color, with spots of orange and black.  Called also cavy.  It is the domesticated form of the wild cavy, often kept as a pet and used commonly as an experimental animal in laboratory research.
 3. A contemptuous sobriquet. [Obs.] --Smollett

From: WordNet (r) 2.0

 guinea pig
      n 1: 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" [syn: subject, case]
      2: stout-bodied nearly tailless domesticated cavy; often kept
         as a pet and widely used in research [syn: Cavia cobaya]