What is the difference between a pillow sham and a pillowcase?
A pillowcase is a piece of bedding, open on one end, into which a pillow is inserted. A pillow sham, on the other hand, normally has a slit in the back where the pillow is inserted. Pillow shams frequently have ruffles around all four edges, or other embellishments. Pillowcases usually limit embellishments to ruffles on the end or piping around the hem at the open end.