Definition of shellfish noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈʃelfɪʃ//
; NAmE NAmE//ˈʃelfɪʃ//
(pl. shellfish) Invertebrates
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a creature with a shell, that lives in water, especially one of the types that can be eaten. Oysters and crabs are both shellfish. compare crustacean, mollusc See related entries: Invertebrates
See the Oxford Advanced American Dictionary entry: shellfish