Bible Dictionaries
Nacre

Webster's Dictionary

(1):

(n.) 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.

(2):

(a.) Having the peculiar iridescence of nacre, or mother-of-pearl, or an iridescence resembling it; as, nacre ware.

Bibliography Information
Webster, Noah. Entry for 'Nacre'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/nacre.html. 1828.