The term 'Hat Maker' can be summarized as a MILLINER, which is an 8 letter word. A MILLINER is a person who designs, makes, trims, and sells hats. Milliners often use a variety of materials such as straw, felt, leather, and velvet to create their hats. They also use a variety of techniques such as blocking, steaming, and trimming to shape the hats. Milliners have been around since the Middle Ages and are still popular today.