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English definition of “shellfish”

shellfish

noun [C or U] uk   /ˈʃel.fɪʃ/ (plural shellfish) us  
sea creatures that live in shells and are eaten as food, or one of these creatures: Lobsters, crabs, and oysters are all shellfish.Fish and seafoodSea fishFreshwater fishSea creaturesSea fish
(Definition of shellfish from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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