pepperoni means: Dry sausage that is high in spices made from pork or beef. Seasoned with garlic, salt, black pepper and cayenne. Thinly sliced, often used as an appetizer. (in Cooking Dictionary)

What else does pepperoni mean?

Highly spiced beef and pork sausages. (in Merlin Dictionary)

One slice of this kind of sausage. (in Merlin Dictionary)