cetacean Meaning, Definition & Usage
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noun large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
cetacean mammal; blower.
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adjective of or relating to whales and dolphins etc
cetaceous.
WordNet
Ce*ta"cean noun
Definitions
(Zoöl.) One of the Cetacea.