Noun order cetacea has 1 sense
  1. Cetacea, order Cetacea - an order of Eutheria
    --1 is a kind of animal order
    --1 is a member of Eutheria, subclass Eutheria
    --1 has members:
     cetacean, cetacean mammal, blower; Mysticeti, suborder Mysticeti; Odontoceti, suborder Odontoceti; Monodontidae, family Monodontidae
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