/lap"is laz"oo lee, -luy', laz"yoo-, lazh"oo-/
1. a deep-blue mineral composed mainly of lazurite with smaller quantities of other minerals, used mainly as a gem or as a pigment.
2. a sky-blue color; azure. Also called lapis, lazuli .
[ 1350-1400; ME lapis stone + ML lazuli, gen. of lazulum lapis lazuli; see AZURE ]