BUTTERFLY, Glossary and Terms, Meat, Fish, Fruit, Grocery Food Stores
List of United States Miscellaneous Food Stores, Drinks, Retail Bakeries, Frozen Meat & Fish Markets
To split food (usually meat, fish, or poultry) down the center, cutting almost, but not completely through. The two halves are then opened flat to resemble a butterfly. Often this is the first step when preparing a roast that is to be stuffed and rolled.