brainchild

Or brain-child,

[breyn-chahyld]

noun

plural

brainchildren 

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

brainchild

/ ˈbreɪnˌtʃaɪld /

noun

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

Word History and Origins

Origin of brainchild¹

First recorded in 1880–85; brain + child

Example Sentences

The latest recreation of this concept, which was confirmed on Tuesday, is the brainchild of the Evolve agency which represents both Sabalenka and Kyrgios.

Read more on BBC

Made up of local residents wanting to save eateries that survived the fire, the dining club is the brainchild of Brooke Lohman-Janz, a displaced renter determined to preserve the fabric of Altadena.

Read more on Los Angeles Times

Vogue World, a brainchild of Wintour, is now in its fourth year, with prior stops in New York, London and Paris.

Read more on The Wall Street Journal

Indeed, his brainchild of quasi-psych rock, synth and dream pop, among other genres, could be to blame for — or celebrate — a throng of similar artists.

Read more on Los Angeles Times

The Altar, a health club opening in New York this fall, is the brainchild of a group of founders with backgrounds in high finance and fashion.

Read more on The Wall Street Journal