'Testaceous' definitions:
Definition of 'testaceous'
From: WordNet
adjective
Relating to or possessing a testa or hard shell; "testaceous fish"
Definition of 'Testaceous'
From: GCIDE
- Testaceous \Tes*ta"ceous\, a. [L. testaceus, fr. testa a shell. See Testa.]
- 1. Of or pertaining to shells; consisted of a hard shell, or having a hard shell. [1913 Webster]
- 2. (Bot. & Zool.) Having a dull red brick color or a brownish yellow color. [1913 Webster]
- Testaceous animals (Zool.), 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. [1913 Webster]