Dough/dəʊ/ Definition 1 of 3Pro Tip 1/3Cooking Context Dough mostly refers to baking; it's what becomes bread, pizza, or cookies after baking. Pizza dough turns into a crust when you bake it. Pro Tip 2/3Action Associated Words like 'knead' and 'roll' are often used with 'dough' in recipes and cooking talk. First, knead the dough to make it elastic. Pro Tip 3/3Before Finished Product Dough is an unfinished product – it's what you work on, and later becomes something else. Cover the dough and let it rest for an hour.