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English definition of “egg”

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egg

noun uk   // us  

egg noun (FOOD)

A1 [C or U] the oval object with a hard shell that is produced by female birds, especially chickens, eaten as food: a hard-boiled/soft-boiled egg How do you like your eggs - fried or boiled? [C] an object that is made in the shape of a bird's egg: a chocolate/marble egg
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egg noun (REPRODUCTION)

B2 [C] an oval object, often with a hard shell, that is produced by female birds and particular reptiles and insects, and contains a baby animal that comes out when it is developed: The cuckoo lays her egg in another bird's nest. After fourteen days the eggs hatch. [C] a cell produced by a woman or female animal from which a baby can develop if it combines with a male sex cell: Identical twins develop from a single fertilized egg that then splits into two.
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(Definition of egg from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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