Molossus dogs are a group of large, powerful breeds known for their strength and loyalty. They are often characterized by their muscular build, broad heads, and strong jaws. Historically, these dogs were used for guarding, herding, and hunting due to their protective nature and intelligence. The term "Molossus" originates from ancient Greece, referring to a specific breed of dog that was highly valued for its abilities. Today, various breeds, such as the Mastiff and Rottweiler, share traits with the Molossus lineage, making them popular choices for families and working roles alike.