The term 'Trencher' is a type of PLATE or dish used in the Middle Ages. It was usually made of wood and was used to serve food on. The term 'Trencher' comes from the French word 'trenche', which means 'to cut'. The trencher was often used as a PLATE for cutting up food, and then the food was served on it. The trencher was also used as a PLATE for eating from, and sometimes it was even used as a bowl for soup.