Definition of tuco-tuco in English:


Syllabification: tu·co-tu·co
Pronunciation: /ˌto͞okō ˈto͞okō

noun (plural tuco-tucos)

  • A burrowing ratlike rodent native to South America.
    • Family Ctenomyidae and genus Ctenomys: numerous species
    More example sentences
    • The name ‘tuco-tuco’ comes from alarm calls in response to danger; other calls are also known in the more social species.
    • This long-term line of research focuses on tuco-tucos as a model for the study of diversification.
    • The one known exception is the social tuco-tuco, found in Argentina, which lives in colonies.


mid 19th century: imitative of the call of some species.

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