build a better mousetrap verb1 •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 EmersonOf all the inventors to obtain patents, only a few have really built a better mousetrap. formsbuilt a better mousetrap · building a better mousetrap · builds a better mousetrap
