Definition of crustacean in English:


Syllabification: crus·ta·cean
Pronunciation: /krəˈstāSHən


  • An arthropod of the large, mainly aquatic group Crustacea, such as a crab, lobster, shrimp, or barnacle.
    More example sentences
    • On the coast, the plovers' diet consists of marine worms, crustaceans, and small mollusks.
    • The significance of this is that other species such as shellfish and crustaceans feeding in plankton could be affected.
    • Marine scientists have found evidence of similar patterns among shoreline species like crabs, crustaceans and seaweed.


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  • Relating to or denoting crustaceans.
    More example sentences
    • An additional treatment without crustacean zooplankton was also established.
    • Positive effects of juvenoids on crustacean metamorphosis were also encountered in barnacles early on.
    • It is a small crustacean related to the woodlice.



More example sentences
  • The more crustaceous the outer structure, the more aware we are of the softness of the underbelly.

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