A fulling mill is a type of watermill used to process cloth and textiles in order to make them softer and thicker. The term "fulling mill" has been in use for many centuries, but there are other words and phrases that can be used to describe this kind of mill. Some common synonyms include "cloth mill," "textile mill," and "wool mill." Other terms that may be used include "felting mill," "tucking mill," and "walk mill." Regardless of what you call it, a fulling mill is an important part of the textile industry and has played a crucial role in history.