lapis lazuli
Concise Oxford English Dictionary © 2008 Oxford University Press:
lapis lazuli /ˌlapɪs ˈlazjʊlʌɪ, -li/ (also lapis)
▶noun
- 1 a bright blue metamorphic rock consisting largely of lazurite, used in jewellery.
- 2 ultramarine, originally made by crushing this rock.
– origin ME: from L. lapis ‘stone’ and med. L. lazuli, genitive of lazulum, from Pers. lāžward ‘lapis lazuli’; cf. azure.
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