cetacean: Meaning and Definition of

ce•ta•cean

Pronunciation: (si-tā'shun), [key]
— adj.
  1. belonging to the Cetacea, an order of aquatic, chiefly marine mammals, including the whales and dolphins.
—n.
  1. a cetacean mammal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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