crus·​ta·​cean | \ ˌkrə-ˈstā-shən How to pronounce crustacean (audio) \

Definition of crustacean

: any of a large class (Crustacea) of mostly aquatic mandibulate arthropods that have a chitinous or calcareous and chitinous exoskeleton, a pair of often much modified appendages on each segment, and two pairs of antennae and that include the lobsters, shrimp, crabs, wood lice, water fleas, and barnacles

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Other Words from crustacean

crustacean adjective

Examples of crustacean in a Sentence

Recent Examples on the Web This season, though, more of them are landing everywhere from San Francisco to New York City, including households with no clue how to handle the crustacean—which arrive still kicking—much less how to cook and eat them. Rachel Wolfe, WSJ, 4 June 2021 But the beloved crustacean may not be widely available in stores until this weekend because of a limited supply in the water, and prices are likely to rise quickly because of high demand. Taylor Kate Brown,, 15 Jan. 2021 The snow crab, a commercially valuable crustacean, has been scuttling northward along the seafloor toward Svalbard as its native habitat warms. Gloria Dickie, Scientific American, 18 May 2021 The fossils are that of an ancient crustacean and a squid, with a special cameo by a hungry shark. Mike Wehner, BGR, 10 May 2021 But that's just putting makeup on a crustacean: The trailer for the film is way better than sitting through it. Mark Kennedy, Star Tribune, 9 Apr. 2021 In a dramatic two-hour, double-elimination Super Eight episode that swept away both Crab and Seashell as season 5 surfs to a close, the crustacean with the voice of a ragged angel said goodbye with his pincers held high. Gil Kaufman, Billboard, 21 Apr. 2021 Of course, a room decorated in head-to-toe lobster decor is amazing, but so is eating the crustacean. Tanner Saunders, Travel + Leisure, 19 Apr. 2021 Now, the team is working on a machine learning algorithm that would root out other potential disturbances, such as a crossing crustacean or ship, improving overall readings. Lindsey Mcginnis, The Christian Science Monitor, 26 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crustacean.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of crustacean

1835, in the meaning defined above

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Time Traveler for crustacean

Time Traveler

The first known use of crustacean was in 1835

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Statistics for crustacean

Last Updated

13 Jun 2021

Cite this Entry

“Crustacean.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2021.

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More Definitions for crustacean



English Language Learners Definition of crustacean

technical : a type of animal (such as a crab or lobster) that has several pairs of legs and a body made up of sections that are covered in a hard outer shell


crus·​ta·​cean | \ ˌkrəs-ˈtā-shən How to pronounce crustacean (audio) \

Kids Definition of crustacean

: any of a large group of mostly water animals (as crabs, lobsters, and shrimps) with a body made of segments, a tough outer shell, two pairs of antennae, and limbs that are jointed

More from Merriam-Webster on crustacean

Nglish: Translation of crustacean for Spanish Speakers

Britannica English: Translation of crustacean for Arabic Speakers Encyclopedia article about crustacean


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