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English definition of “fish”

fish

noun [C/U] (ANIMAL)   /fɪʃ/ (plural fish or fishes)
an animal without legs that lives in water, has a soft outer body, uses its tail and fins to help it swim, and takes in oxygen from the water: [C] How many fish live in the pond? [U] We had fish for dinner.
(Definition of fish noun (ANIMAL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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