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malacostracan

American  
[mal-uh-kos-truh-kuhn] / ˌmæl əˈkɒs trə kən /

adjective

  1. belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc.

noun

  1. a malacostracan crustacean.

malacostracan British  
/ ˌmæləˈkɒstrəkən /

noun

  1. any crustacean of the subclass or group Malacostraca, including lobsters, crabs, woodlice, sand hoppers, and opossum shrimps

"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

adjective

  1. of, relating to, or belonging to the Malacostraca

"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

Etymology

Origin of malacostracan

1825–35; < New Latin Malacostrac ( a ) order of crustacea (< Greek, neuter plural of malakóstrakos soft-shelled, equivalent to malak- malaco- + -ostrakos, adj. derivative of óstrakon shell (of mollusks, etc.); ostracize ) + -an

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.