American English

Definition of afterbirth noun from the Oxford Advanced American Dictionary

 

afterbirth

 noun
noun
NAmE//ˈæftərˌbərθ//
 
the afterbirth [singular]
 
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the material that comes out of a woman or female animal's body after a baby has been born, and that was necessary to feed and protect the baby synonym placenta
See the Oxford Advanced Learner's Dictionary entry: afterbirth