Côr'ne-o-cal-cā're-oŭs, a.

adjective

a. [Lat. corneus, -a, -um, horny, and calcarius, -a, -um, made of lime.]

  1. (Conch.) Formed of a mixture of horny and calcareous materials, as some shells.
  2. Horny on one side, or part, and calcareous on the other.