1. a bright blue metamorphic rock consisting largely of lazurite, used for decoration and in jewellery.
▪ a bright blue pigment formerly made by crushing lapis lazuli.
▪ a bright blue colour.
Word Originlate Middle English: from Latin lapis ‘stone’ and medieval Latin lazuli, genitive of lazulum, from Persian lāžward ‘lapis lazuli’. Compare with azure.
