HEM, SAY is a term used in the sewing industry. It refers to the process of folding and stitching fabric edges to prevent fraying or to create a finished look. The crossword solutions for this term are SEW, which is an abbreviation for the verb 'to SEW'. Sewing is a craft that involves stitching fabrics together using a needle and thread. It is often used to make clothing, accessories, and home decor items.