The term "barb horse" refers to a breed that originated in North Africa and was used as a warhorse by the Moors. However, there are several other terms that can be used to describe this type of horse. One such synonym is "Arabian Barb", which specifically refers to a sub-type of the breed with Arabian bloodlines. Another synonym is "Berber horse", named after the Berber people who once inhabited North Africa. A third option is "Maghrebi horse", which denotes the breed's origins in the Maghreb region of Africa. Regardless of the term used, the barb horse is a historic and important breed that played a significant role in the development of mounted warfare.