What is the meaning of the word "ice-cream cake"?

Definitions:

A cake with ice cream as the filling for a swiss roll or a layer cake. ADJECTIVE
- The layers of vanilla ice cream and chocolate fudge made the ice-cream cake irresistible.
A dessert that combines layers of ice cream with cake, cookies, or other sweet elements, often served frozen, and a popular choice for birthdays and celebrations. NOUN
- She ordered a chocolate ice-cream cake for her birthday party.