lapidary

Adjective
  1. Of or relating to precious stones or the art of working with them (synset 302840123)
    "the ring is of no lapidary value"; "lapidary art"
Noun
  1. An expert on precious stones and the art of cutting and engraving them (synset 110266400)
  2. A skilled worker who cuts and engraves precious stones (synset 110266208)

Other Searches