Dictionary
tes•ta•ceous
Pronunciation: (te-stā'shus), [key]—
adj.
1. of, pertaining to, or derived from shells.
2. having a test or shell-like covering.
3. of a brick-red, brownish-red, or brownish-yellow color.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.