The term JUMBO COFFEEPOT can be broken down into three crossword solutions: URN (3 letters). An URN is a container with a wide base and a narrow neck, typically made of metal, ceramic, or glass. It is often used to store ashes after a cremation. A jumbo coffeemaker is a large-capacity coffeemaker that can make up to 12 cups of coffee at once. It is usually used in commercial settings, such as restaurants and offices. Finally, a pot is a container with a handle and a lid, used for cooking food.