The term "Molossus" refers to an ancient breed of dog known for its strength and loyalty. Originating from the region of Epirus in Greece, these dogs were often used for guarding livestock and property. They are characterized by their large size, muscular build, and protective nature, making them effective working dogs. In addition to being a breed, "Molossus" also refers to a type of ancient Greek sculpture and a poetic meter in classical literature. The Molossian dogs were highly regarded in ancient times, influencing various cultures and contributing to the development of modern breeds like the Mastiff.