The term 'Spanish POT' is a reference to the traditional cooking vessel known as an OLLA, which is a clay POT used in Spanish cuisine. The word 'OLLA' is derived from the Latin word for 'POT' and is used to refer to a variety of different types of clay pots used for cooking. Ollas are typically used to make soups, stews, and other dishes that require slow cooking. They are also used to store food and liquids, as well as for decorative purposes.