adjective tes·ta·ceous \tes-ˈtā-shəs\

Definition of testaceous

  1. 1 :  having a shell <a testaceous protozoan>

  2. 2 :  of any of the several light colors of bricks

Origin and Etymology of testaceous

Latin testaceus, from testa shell, earthen pot, brick

First Known Use: 1646

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