A hot dog is a grilled, steamed, or boiled sausage served in the slit of a partially sliced bun. The term hot dog can also refer to the sausage itself. The sausage used is a wiener or a frankfurter. T
Carts selling frankfurters in New York City, c. 1906. The price is listed as "3 cents each or 2 for 5 cents".