Definition of cetacean in English:

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Pronunciation: /səˈtāSH(ə)n/


A marine mammal of the order Cetacea; a whale, dolphin, or porpoise.
Example sentences
  • Killer whales also prey on mammals such as other cetaceans and pinnipeds, as well as on birds and large fish.
  • Odontocete cetaceans rely upon echolocation to sense the environment and detect prey.
  • Within odontocete cetaceans, variation in body design affects stability and turning performance.


Relating to or denoting cetaceans.
Example sentences
  • To work for closer integration of environmental concerns into fisheries management including a reduction in small cetacean casualties.
  • Further studies will be needed to finally identify the role of the diaphragm in cetacean ventilation.
  • No ancient DNA has yet been used for cetacean systematics.

Words that rhyme with cetacean

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For editors and proofreaders

Syllabification: ce·ta·cean

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