testaceous

Adjective

1. Pertaining to earthenware or baked clay.
   • [T]hey were burnt, or only baked in Oven or Sunne: According to the ancient way, in many bricks, tiles, pots, and testaceous works […] - 1658, Thomas Browne, “(please specify the page)”, in Hydriotaphia, Urne-buriall,...
2. Having a shell, especially one which is not articulated.
   • It has a very large head, in proportion to its body, all covered with a shell, like other testaceous Animals […] - 1665, R[obert] Hooke, Micrographia: Or Some Physiological Descriptions of Minute Bodies Made by...
   • Tyrian garbs, / Neptunian Albion's high teſtaceous food [i.e., oysters], / And flavour'd Chian wines with incenſe fum'd / To ſlake Patrician thirſt: for theſe, their rights / In the vile ſtreets they proſtitute to ſale;...
   • The Ship-VVorm of Jamaica. This inſect is extremely deſtructive to all the ſhips that anchor for any time in the harbours of Jamaica, or in any other part vvithin the tropics: They cut vvith great facility through the...
3. Of a dull orange or brownish colour, like brick.