Definition of "build a better mousetrap" in English

Verb

1. To create a new product, method, or idea that is better than an existing version of something already common or widely used.

   • Build a better mousetrap, and the world will beat a path to your door. misattributed to Ralph Waldo Emerson
   • Of all the inventors to obtain patents, only a few have really built a better mousetrap.