Cetacean

n.

1.

(Zool.) One of the Cetacea.

Noun	1.	cetacean - large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals Synonyms: cetacean mammal, blower
Adj.	1.	cetacean - of or relating to whales and dolphins etc Synonyms: cetaceous

Loch Ness monster, alevin, baleen whale, beluga, benthon, benthos, blackfish, blue whale, cachalot, dolphin, finback, fingerling, fish, fry, game fish, grilse, humpback, killer, killer whale, kipper, man-eater, man-eating shark, marine animal, minnow, minny, narwhal, nekton, panfish, plankton, porpoise, salmon, sea monster, sea pig, sea serpent, sea snake, shark, smolt, sperm whale, sponge, sulfur-bottom whale, tropical fish, whale