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brainchild

[breyn-chahyld] /ˈbreɪnˌtʃaɪld/
noun, plural brainchildren.
1.
a product of one's creative work or thought.
Also, brain-child, brain child.
Origin
1880-1885
1880-85; brain + child
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for brain child

brainchild

/ˈbreɪnˌtʃaɪld/
noun (pl) -children
1.
(informal) an idea or plan produced by creative thought; invention
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
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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).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for brain child

brainchild

noun

Someone's great idea; a product of creative thinking and word: my brainchild, a bestseller


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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7
9
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