"Dough scraps" refers to the leftover or excess pieces of dough that are not used in a recipe or baking process. They are usually small bits of dough remaining after cutting or shaping larger portions for baking. Full definition
Gather dough scraps into a ball and set aside with other pieces of dough; keep covered in plastic. (bonappetit.com)
Transfer pan to the freezer for at least 15 minutes and roll the remaining dough scraps into another slab that's about 1/4 ″ thick. (ehow.com)
Meanwhile, gather leftover pie dough scraps, form into a disk shape and, on a lightly floured work surface, roll out to 1 / 8 - inch thickness. (the-chew-recipes.com)