(n)a breed of very large heavy dogs with a thick coarse usually black coat; highly intelligent dogs and vigorous swimmers; developed in Newfoundland, Syn.Newfoundland dog
prop. n. 1. An island on the coast of British North America, famed for the fishing grounds in its vicinity. [ 1913 Webster ]
2. A Newfoundland dog. Tennyson. [ 1913 Webster ]
Newfoundland dog (Zool.), a breed of large dogs, with shaggy hair, which originated in Newfoundland, noted for intelligence, docility, and swimming powers. [ 1913 Webster ]