cetacean
ce·ta·cean
adjective
1.
of or relating to whales and dolphins etc
noun
1.
large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
Origin
From translingual Cetacea, from Latin cētus (“whale”), + -an.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.