brainchild

American  

[breyn-chahyld] / ˈbreɪnˌtʃaɪld /

Or brain-child,

noun

plural

brainchildren

1. a product of one's creative work or thought.

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brainchild British  

/ ˈbreɪnˌtʃaɪld /

noun

1. informal an idea or plan produced by creative thought; invention

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Etymology

Origin of brainchild

First recorded in 1880–85; brain + child

Example Sentences

And this isn’t the first time that Charles Dow’s brainchild has fallen out of favor.

From The Wall Street Journal

Further evidence of a paradigm shift: Enthusiastic theatergoers thronging to “Malinche the Musical,” the brainchild of Nacho Cano, a Spanish rock star turned impresario.

From Los Angeles Times

The initiative, dubbed the Party Line project, is the brainchild of Matter Neuroscience, a mental health startup focused on researching the science behind happiness and creating tools to battle major depressive disorders.

From Los Angeles Times

It was the brainchild of Bay Area television host Bruce Sedley, who also fashioned himself as an amateur inventor.

From Los Angeles Times

This brainchild of a mathematics professor had only one flaw: it was way ahead of its time.

From Barron's