mother-of-pearl
/ˌmʌðəɹ əv ˈpɜː(ɹ)l/ noun, adjective
Forms mother-of-pearls mother of pearl
- noun The hard pearly inner layer of certain mollusk shells; nacre.
- noun A butterfly of the genus Salamis.
- noun A butterfly of the species Patania ruralis.
- adjective Made from or looking like mother-of-pearl; iridescent or pearly.
Synonyms
Etymology
Calque of Latin māter perlārum, with the first element perhaps connected in popular imagination with obsolete mother (“dregs”). Possibly referring to the fact that the nacre-lined shells are the belly (“mother”) in which pearls are produced.
Webster’s 1913
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “mother-of-pearl”, CC BY-SA 4.0. Details