1. large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals; [syn: cetacean, cetacean mammal, blower]
WordNet (r) 3.0 (2006):
cetacean mammal
n 1: large aquatic carnivorous mammal with fin-like forelimbs no
hind limbs, including: whales; dolphins; porpoises;
narwhals [syn: cetacean, cetacean mammal, blower]