A PALISADE is an 8-letter term for a fence or wall for protection. It is a type of fortification made of wooden stakes or tree trunks, which are typically sharpened and arranged in a row to form a defensive barrier. Palisades were used by many cultures throughout history, including the ancient Greeks and Romans, as well as Native American tribes. They were also used during the Middle Ages in Europe, and were often used to protect castles and other important structures.