Definition of coypu in English:


nounPlural coypus

  • A large semiaquatic rodent resembling a beaver, native to South America. It is kept in captivity for its fur and has become naturalized in many other areas.

    Myocastor coypus, the only member of the family Myocastoridae

    • ‘These include the capybara, the agouti, the coypu, the cavy and the chinchilla.’
    • ‘Nutria, called Myocastor coypus, have added to the destruction by devouring wetlands.’
    • ‘Cattle, and goats are susceptible to FMD and some wild animal such as coypu can also become infected.’
    • ‘My guess is it's a coypu - a large South American rodent.’


Late 18th century: from Araucanian.