any whale belonging to the cetacean suborder Odontoceti, having a single blowhole and numerous simple teeth and feeding on fish, smaller mammals, molluscs, etc: includes dolphins and porpoises
Compare whalebone whale
toothed whale in American English
any of an order (Odontoceta) of whales with conical teeth and a telescoped nonsymmetrical skull, including sperm whales, dolphins, and porpoises