Dictionary.com

malacostracan

[ mal-uh-kos-truh-kuhn ]
/ ˌmæl əˈkɒs trə kən /
Save This Word!

adjective
belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc.
noun
a malacostracan crustacean.
QUIZ
TEST YOUR MERIT ON THESE NEW WORDS IN 2021
The Dictionary added new words and definition to our vast collection, and we want to see how well-versed you are in the formally recognized new lingo. Take the quiz!
Question 1 of 8
What does JEDI stand for?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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.); cf. ostracize) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use malacostracan in a sentence

British Dictionary definitions for malacostracan

malacostracan
/ (ˌmæləˈkɒstrəkən) /

noun
any crustacean of the subclass or group Malacostraca, including lobsters, crabs, woodlice, sand hoppers, and opossum shrimps
adjective Also: malacostracous
of, relating to, or belonging to the Malacostraca

Word Origin for malacostracan

C19: from New Latin, from Greek malakōstrakos, from malaco- + ostrakon shell
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
FEEDBACK