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English definition of “egg”

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 .Animal reproductionThe development and parts of insects [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.Processes and stages connected with sexual reproduction
(Definition of egg noun (REPRODUCTION) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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