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English definition of “beaver”

beaver

noun [C] uk   /ˈbiː.vər/ us    /-vɚ/ (plural beavers or beaver)

beaver noun [C] (ANIMAL)

an animal with smooth fur, sharp teeth, and a large, flat tail. Beavers build dams (= walls of sticks and earth) that they build across rivers.Rodents and similar animals

beaver noun [C] (PERSON)

informal a person who works very hard: a busy beaver
See also
Workers in general
(Definition of beaver from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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