Nā'cre, n.

noun

(nā'ker), n. [Fr. nacre, O. Fr. nacaire, Sp. nacara, nacar, It. nacchera, nacraro, L. Lat. nacara, nacrum. See supra.] A beautiful iridescent substance which lines the interior of some shells, and is most perfect in the mother-of-pearl. [Written also nacker and naker.]