Hypertext Webster Gateway: "Testaceous"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
2. (Bot. & Zo["o]l.) Having a dull red brick color or a
brownish yellow color.
{Testaceous animals} (Zo["o]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.
From WordNet (r) 1.7 (wn)
testaceous
adj : (biology) relating to or possessing a test or testa;
"testaceous echinoderms"
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