Breed of large, gentle dog said to have originated in Newfoundland, Canada. Males can grow to 70 cm/27.5 in tall, and weigh 65 kg/145 lb; the females are slightly smaller. They have a dense, flat coat, usually dull black, and an oily, water-repellent undercoat, and they are excellent swimmers.
Newfoundlands that are black and white or brown and white are called Landseers.