A tailoring machine, also known as a seamstress machine, is a device used to sew fabric and other materials together. The most common type of tailoring machine is the seammer, which is a six-letter word that is commonly used in crossword puzzles. Seamers are used to join two pieces of fabric together by stitching them along the edges. They are often used in the production of clothing, upholstery, and other items that require precise stitching.