NACRE
nacre, mother-of-pearl
(noun) the iridescent internal layer of a mollusk shell
Source: WordNet® 3.1
Etymology
Noun
nacre (plural nacres)
(obsolete) A shellfish which contains mother-of-pearl. [16th-19th c.]
A pearly substance which lines the interior of many shells; mother-of-pearl. [from 17th c.]
Anagrams
• Caren, Carne, Cerna, Crane, Crean, Rance, caner, caren, crane, crena, rance, recan
Source: Wiktionary
Na"cre, n. Etym: [F., cf. Sp. nácara, nácar, It. nacchera, naccaro,
LL. nacara, nacrum; of Oriental origin, cf. Ar. nakir hollowed.]
(Zoöl.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition