from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various cetaceans of the suborder Odontoceti, having numerous teeth and a single blowhole, and including the dolphins, the porpoises, and the sperm whale.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun marine biology A whale of the Odontoceti suborder of the cetaceans, including sperm whales, beaked whales, dolphins, and others.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of several whales having simple conical teeth and feeding on fish etc.


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