American English

Definition of brainchild noun from the Oxford Advanced American Dictionary

 

brainchild

 noun
noun
NAmE//ˈbreɪntʃaɪld//
 
[singular]
 
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an idea or invention of one person or a small group of people The TV program was the brainchild of the producer.
See the Oxford Advanced Learner's Dictionary entry: brainchild