Mastiff

n. breed of large and powerful short-haired dogs with drooping ears and lips

Mastiff may refer to:Dog breedsMolosser, a group of several breeds of dog also known as Mastiffs.Bullmastiff, said to be a cross between the English Mastiff and the Bulldog.English Mastiff, a breed of dog in the Molosser group.Spanish Mastiff, an ancient breed of dog originating in Spain.Neapolitan Mastiff, an ancient breed of dog originating in Italy.Tibetan Mastiff, an ancient breed of dog originating in Tibet.
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Noun
1. an old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog
(hypernym) working dog
(hyponym) Tibetan mastiff

n. mastiff, breed of large and powerful short-haired dogs with drooping ears and lips

n. mastiff, breed of large and powerful short-haired dogs with drooping ears and lips