'Mother-of-pearl' definitions:
Definition of 'mother-of-pearl'
From: WordNet
noun
The iridescent internal layer of a mollusk shell [syn: mother-of-pearl, nacre]
Definition of 'Mother-of-pearl'
From: GCIDE
- Mother-of-pearl \Moth"er-of-pearl`\, n. (Zool.) The hard, iridescent, pearly internal layer of several kinds of shells, esp. of pearl oysters, river mussels, and the abalone shells; nacre. See Pearl. [1913 Webster]