Definition of "Cetacean" :
noun: large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
adjective: of or relating to whales and dolphins etc
noun: large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
adjective: of or relating to whales and dolphins etc