mills (buildings) <p>Refers to buildings designed and fitted with machinery for the purpose of performing some task or making a product, including grinding of grain into flour or running a loom to make fabric. For the machinery itself, independent of the building, use "mills (equipment)."</p> <p><a href="http://vocab.getty.edu/page/aat/300264626" target="_blank" rel="noopener">http://vocab.getty.edu/page/aat/300264626</a></p>