"SAN" + "wi" + "HEE" + "druhn"

Any food dish wherein one food serves as a container or wrapper for another food type. Often, but not always, a Carb wrapped around a Protein

A "sandwich" in its broadest culinary sense...

Besides classic Sandwiches, this category includes... Hotdogs, Tacos and Burritos, Pita Wraps, Lettuce Wraps, Pop Tarts Dumplings and Pot Stickers, Sushi...

Pizza would be considered an "Open-Faced Sandwichedron"