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crustacean

[kruh-stey-shuh n]
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noun
  1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice.
adjective
  1. belonging or pertaining to the crustaceans.

Origin of crustacean

1825–35; < New Latin Crustace(a) (neuter plural) hard-shelled ones (see crust, -acea) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for crustacean

Contemporary Examples

Historical Examples

  • “This is a magnificent specimen of the crustacean period,” he declared.

    'Me-Smith'

    Caroline Lockhart

  • This crustacean tube a thousand feet long solved the matter.

    James Watt

    Andrew Carnegie

  • Its punishment was simply that it was a Sacculina—that it was a Sacculina when it might have been a Crustacean.

  • Nature has willed that the Crustacean should not long remain an invalid.

    The Ocean World:

    Louis Figuier

  • Crabs and lobsters may be regarded as the chiefs or lords of the Crustacean tribes.

    The Ocean World:

    Louis Figuier


British Dictionary definitions for crustacean

crustacean

noun
  1. any arthropod of the mainly aquatic class Crustacea, typically having a carapace hardened with lime and including the lobsters, crabs, shrimps, woodlice, barnacles, copepods, and water fleas
adjective Also: crustaceous
  1. of, relating to, or belonging to the Crustacea

Word Origin

C19: from New Latin crūstāceus hard-shelled, from Latin crūsta shell, crust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for crustacean

n.

1835, from Crustacea the class name. As an adjective, 1858 (earlier was crustaceous, 1640s).

Online Etymology Dictionary, © 2010 Douglas Harper

crustacean in Science

crustacean

[krŭ-stāshən]
  1. Any of various widespread arthropods of the class Crustacea that live mostly in water and have a hard shell, a segmented body, and jointed appendages. Crustaceans include crabs, lobsters, shrimp, barnacles, and copepods.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

crustacean in Culture

crustacean

[(kru-stay-shuhn)]

A class of arthropods with shells.

Note

Crabs, lobsters, shrimp, and crayfish are crustaceans.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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