malacostracous, a.
(mæləˈkɒstrəkəs)
[f. mod.L. malacostraca (see malacostracan) + -ous.]
= malacostracan a.
| 1845 Encycl. Metrop. XXV. 2 The Malacostracous Crustaceans of Latreille and Edwards. 1877 Huxley Anat. Inv. Anim. vii. 375 A malacostracous crustacean. |