Adjective cetacean has 1 sense
  1. cetacean, cetaceous - of or relating to whales and dolphins etc
,Noun cetacean has 1 sense
  1. cetacean, cetacean mammal, blower - large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
    --1 is a kind of aquatic mammal
    --1 is a member of Cetacea, order Cetacea; pod
    --1 has parts: fluke; blowhole
    --1 has particulars: whale
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