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brainchild

or brain-child, brain child

[breyn-chahyld]
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noun, plural brain·chil·dren.
  1. a product of one's creative work or thought.
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Origin of brainchild

First recorded in 1880–85; brain + child
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

proposition, motion, overture, outline, offer, bid, idea, project, program, plan, recommendation, scheme, picture, terms, scenario, pitch, setup, feeler, design, pass
British Dictionary definitions for brain child

brainchild

noun plural -children
  1. informal an idea or plan produced by creative thought; invention
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for brain child

n.

also brainchild, "idea, creation of one's own," 1881, from brain (n.) + child. Earlier was the more alliterative brain-brat (1630).

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Online Etymology Dictionary, © 2010 Douglas Harper