malacostracan noun & adjective. [malǝ'kɒstrǝk(ǝ)n] M19.
[from mod. Latin Malacostraca (see below), Greek malakostraka, from malakos soft + ostrakon shell: see -AN.]
A. noun. Any crustacean of the class Malacostraca, which includes shrimps, crabs, lobsters, isopods, and amphipods. M19.
b. adjective. Of or pertaining to the class Malacostraca. M19.

■ malacostracous adjective = MALACOSTRACAN adjective M19.

[TahlilGaran] English Dictionary ▲