cetacea definition

  • noun:
    • Whale-like mammals.
    • an order of Eutheria
    • Whale-like mammals.
    • an order of Eutheria
  • others:
    • Formerly, the organized name of creatures of this whale kind overall, like the sirenians or herbivorous cetaceans and cetaceans right: identical to Cetomorpha.
    • identical to Cete, 1.
    • Formerly, the systematic title of animals of whale sort as a whole, like the sirenians or herbivorous cetaceans while the cetaceans proper: identical to Cetomorpha.
    • Same as Cete, 1.

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