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castor

Definitions of castor
  1. noun
    large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
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    types:
    castor europeo
    a European variety of beaver
    castor americano
    a variety of beaver found in almost all areas of North America except Florida
    type of:
    roedor
    relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
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