American English

Definition of ovum noun from the Oxford Advanced American Dictionary

 

ovum

 noun
noun
NAmE//ˈoʊvəm//
 
(pl. ova
NAmE//ˈoʊvə//
 
)
(biology)
 
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a female cell of an animal or a plant that can develop into a young animal or plant when fertilized
See the Oxford Advanced Learner's Dictionary entry: ovum