"Unbaked crust" refers to a pastry or dough that has not been cooked yet. It is still raw and needs to be placed in an oven to be cooked thoroughly. Full definition
Place the blueberry filling mixture in the prepared unbaked crust. (kingarthurflour.com)
Smear that goodness all over the unbaked crust, and break out the pepperoni. (chefambershea.com)
I omitted the 1 Tbsp sesame oil brush of the unbaked crust because I figured the sesame oil cooked with the pork and in the spicy sauce would be enough sesame flavor. (cookingforkeeps.com)