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crustaceous

American  
[kruh-stey-shuhs] / krʌˈsteɪ ʃəs /

adjective

  1. of the nature of or pertaining to a crust or shell.

  2. crustacean.

  3. having a hard covering or crust.


crustaceous British  
/ krʌˈsteɪʃəs /

adjective

  1. forming, resembling, or possessing a surrounding crust or shell

  2. zoology another word for crustacean

"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

Other Word Forms

Etymology

Origin of crustaceous

First recorded in 1640–50, crustaceous is from the New Latin word crūstāceus (adj.) hard-shelled. See crustacean, -aceous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The organisms examined for the study were two common types of crustaceous zooplankton that differ in size and feeding behavior.

From Science Daily Nov. 6, 2023

Being a toast-and-egg man myself, my day begins with the transubstantiation of bread into its crustaceous cousin, toast.

From The Guardian May 24, 2016

There is Trevor Howard, who makes the crustaceous Father Collins genuinely likable and credible against almost insuperable odds.

From Time Magazine Archive

Instead of resorting to bulldozer tactics, they rely on friendly persuasion in their dealings with crustaceous pols.

From Time Magazine Archive

All the softer parts had been apparently devoured by fishes and crustaceous animals, and nothing was left but the unmistakable parrot-like beaks.

From British Birds in their Haunts by Rev. C. A. Johns

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