Meaning of “crustacean” in the English Dictionary

british dictionary

(Definition of “crustacean” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"crustacean" in American English

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crustaceannoun [ C ]

us /krʌˈsteɪ·ʃən/

any of various types of animals that live in water and have a hard outer shell and many legs:

Crabs, lobsters, and shrimps are crustaceans.

(Definition of “crustacean” from the Cambridge Academic Content Dictionary © Cambridge University Press)