Brainchild and Widget

Brainchild noun - Something (as a device) created for the first time through the use of the imagination.

Widget and brainchild are semantically related. In some cases you can use "Widget" instead a noun "Brainchild".

Widget noun - An interesting and often novel device with a practical use.

Brainchild and widget are semantically related. Sometimes you can use "Brainchild" instead a noun "Widget".