Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun malacostracan_crustacean
1 sense of malacostracan crustacean
Sense 1
malacostracan crustacean -- (a major subclass of crustaceans)
=> crustacean -- (any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton)