Na"cre (?), n. [F., cf. Sp. nácara, nácar, It. nacchera, naccaro, LL. nacara, nacrum; of Oriental origin, cf. Ar. nakIr hollowed.] (Zoöl.)
A pearly substance which lines the interior of many shells, and is most perfect in the mother-of-pearl. [Written also nacker and naker.] See Pearl, and Mother-of- pearl.
© Webster 1913
Na`cré" (?), a. [F. See Nacre.] (Art)
Having the peculiar iridescence of nacre, or mother-of-pearl, or an iridescence resembling it; as, nacré ware.
© Webster 1913