of or relating to whales and dolphins etc [syn:
cetacean, cetaceous]
n
large aquatic carnivorous mammal with fin-like forelimbs no
hind limbs, including: whales; dolphins; porpoises; narwhals Synonym(s):cetacean, cetacean mammal, blower
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Cetacean \Ce*ta"cean\, n. (Zo[94]l.)
One of the Cetacea.