Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A shellfish which contains mother-of-pearl.
Definition source: English Wiktionary via Wiktextract
Usage: countable, obsolete, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A pearly substance made mainly of stacked layers of aragonite and organic matter which lines the interior of many shells; mother-of-pearl.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the iridescent internal layer of a mollusk shell
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: mother-of-pearl
Antonyms: none provided
Broader terms: shell
History
Borrowed from Middle French nacre, from Medieval Latin nacchara, ultimately derived from Arabic نَقَّارَة (naqqāra). Doublet of nagara, nagada, naqareh, and naker. Also present in nacarat.
