finback

noun finback

• mammal — any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg-laying monotremes, giving birth to live young.
• whopper — WarGames
• cetacean — Cetaceans are animals such as whales, dolphins, and porpoises.
• porpoise — any of several small, gregarious cetaceans of the genus Phocoena, usually blackish above and paler beneath, and having a blunt, rounded snout, especially the common porpoise, P. phocoena, of both the North Atlantic and Pacific.
• grampus — a cetacean, Grampus griseus, of the dolphin family, widely distributed in northern seas.