What is the meaning of Pepperoni?

A spicy salami-style Italian-American sausage made from cured pork and beef seasoned with pepper.

Pizza with only tomato sauce, cheese and pepperoni toppings.

pepperoni (sausage)

pepperoni (pizza)

A type of longish, relatively mild, pickled, yellowish green chili, often served as condiment to doner kebab.

pepperoni (sausage)

pepperoni (pizza)

pepperoni (spicy salami-style Italian-American sausage made from cured pork and beef seasoned with pepper)

pepperoni (pizza with only tomato sauce, cheese, and pepperoni toppings)

peperoncino, friggitello (sweet Italian chili pepper of the species Capsicum annuum)

Source: wiktionary.org