n.
Breed of powerful but gentle dog of Europe and Asia dating to 3000 BC.
Mastiffs fought bears, lions, tigers, bulls, and gladiators in Roman arenas and were used in English bull-and bear-baiting rings. The mastiff stands 2830 in. (7075 cm) tall and weighs 165185 lbs (7585 kg). It has a broad head, short dark muzzle, and dark drooping ears. Its short coat is apricot, silver fawn, or brindled. The bullmastiff, a bulldog -mastiff crossbreed standing 2427 in. (6169 cm) tall and weighing 100130 lbs (4559 kg), is used as a police and guard dog.