The crossword solution for the term 'potato peel' is SKIN, which is a four letter word. Potato peeling is the process of removing the outer layer of a potato, which is referred to as the SKIN. This process is often done before cooking potatoes, as it removes dirt and other debris that may be on the surface. The SKIN also contains some of the potato's nutrients, so it is important to leave some of it on when peeling.