Duolingo is the world's largest online language learning platform. It was recognized as Apple's iPhone App of the Year of 2013 as well as Google Play's Best of the Best of 2013 and 2014. Duolingo's adaptive experience has gamified elements to make language learning more fun and effective. 200 million students are learning a language with Duolingo.
Definition of waffle. : a crisp cake of batter baked in a waffle iron.
Waffle House, Inc., is a restaurant chain with more than 2,100 locations in 25 states in the United States. Most of the locations are in the South, where the chain remains as a regional cultural icon. Waffle House is headquartered in an unincorporated part of Gwinnett County, Georgia, near Norcross.