- belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc.
- a malacostracan crustacean.
Origin of malacostracan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for malacostracan
The second antennae, mandibles and two pairs of maxillae may also be claimed as of malacostracan type.
- any crustacean of the subclass or group Malacostraca, including lobsters, crabs, woodlice, sand hoppers, and opossum shrimps
- of, relating to, or belonging to the Malacostraca
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