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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.

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

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

From Time Magazine Archive

At rehearsal, the musicians of London's Royal Philharmonic Orchestra gaped at the unwonted spectacle of their crustaceous conductor, Sir Thomas Beecham, taking advice and instruction.

From Time Magazine Archive

Seeds erect, with a crustaceous integument.—Shrubs, with yellow wood and inner bark, yellow flowers in drooping racemes, sour berries, and 1–9-foliolate leaves.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa