The Collaborative International Dictionary of English v.0.48:

Lapis \La"pis\, n.; pl. Lapides. [L.]
   A stone.
   [1913 Webster]

   Lapis calaminarisn. [NL.] (Min.) Calamine.

   Lapis infernalisn. [L.] Fused nitrate of silver; lunar
      caustic.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

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]