or brain-child, brain child
- a product of one's creative work or thought.
Origin of brainchild
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
Word Origin and History for brain child
Online Etymology Dictionary, © 2010 Douglas Harper