nacre nacket • nacred · · · Info · Definitions · Synonyms · Characters · · nacre · · Text Latin · · Script 5 · · Length Definitions · · · (noun) the iridescent internal layer of a mollusk shell. Synonyms: mother-of-pearl. · · Noun Definition 1 Synonyms · · · mother-of-pearl · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 n latin small letter n U+006E r latin small letter r U+0072