The term "portative organ" is used to describe a small, hand-held pipe organ that was popular in the Middle Ages and Renaissance. Some synonyms for this term include the "portative pipe organ," the "regal," and the "organetto." The portative pipe organ was known for its portability, making it ideal for use during processions and church services. The regal was a similar instrument, but with a simpler design and a more focused sound. The organetto, also known as the "little organ," was a smaller version of the portative organ that was often used by traveling musicians. These historical instruments are still played today by enthusiasts and performers of early music.