1. An abbreviated form of lapis lazuli, a precious stone having the color of deep blue, and used especially in making jewelry.

Lapis was Jane’s favorite stone which she had arranged to have put into her new necklace.

2. A rich blue color originating from an albuminous mineral: Since Greg had eyes between the shades of violet and green, he also had a silk tie with hues of lapis, turquoise, and aquamarine.