Testaceous
Pronunciation : Tes*ta"ceous
Part of Speech : a.
Etymology : [L. testaceus, fr. testa a shell. See Testa.]
Definition : 1. Of or pertaining to shells; consisted of a hard shell, or having a hard shell.
2. (Bot. & Zo?l.)
Defn: Having a dull red brick color or a brownish yellow color. Testaceous animals (Zo?l.), animals having a firm, calcareous shell, as oysters and clams, thus distinguished from crustaceous animals, whose shells are more thin and soft, and consist of several joints, or articulations, as lobsters and crabs.
Source : Webster's Unabridged Dictionary, 1913