1. A baked pie of italian origin consisting of a shallow breadlike crust covered with toppings such as seasoned tomato sauce, cheese, sausage, or olives.

1. A baked italian dish of a thinly rolled bread dough crust typically topped before baking with tomato sauce, cheese, and other ingredients such as meat, vegetables or fruit
2. A single instance of this dish

1. italian open pie made of thin bread dough spread with a spiced mixture of e.g. tomato sauce and cheese