Mill run is a term used to describe the products of a grain mill, such as flour or meal. Synonyms for mill run include mill flour, millfeed, and miller's bran. Other terms that can be used to describe the by-products of a grain mill include screenings, tailings, and shorts. These terms refer to the products that are left over after the main grains have been processed. While mill run may be a common term in the milling industry, its synonyms are also important to know for those who work with or purchase milled products. Understanding these terms can help ensure the highest quality products and optimal results in cooking and baking.