'Lapis lazuli' definitions:

Definition of 'lapis lazuli'

From: WordNet
noun
An azure blue semiprecious stone [syn: lapis lazuli, lazuli]

Definition of 'Lapis lazuli'

From: GCIDE
  • Lapis lazuli \La"pis laz"u*li\n. (Min.) An albuminous mineral of a rich blue color; also called lapis. Same as Lazuli, which see. [1913 Webster]

Definition of 'lapis lazuli'

From: GCIDE
  • Lazuli \Laz"u*li\, n. [F. & NL. lapis lazuli, LL. lazulus, lazurius, lazur from the same Oriental source as E. azure. See Azure.] (Min.) A mineral of a fine azure-blue color, usually in small rounded masses. It is essentially a silicate of alumina, lime, and soda, with some sodium sulphide, is often marked by yellow spots or veins of sulphide of iron, and is much valued for ornamental work. Called also lapis lazuli, and Armenian stone. [1913 Webster]