The Collaborative International Dictionary of English v.0.48:

Lapidary \Lap"i*da*ry\, a. [L. lapidarius pertaining to stone:
   cf. F. lapidaire.]
   1. Of or pertaining to the art of cutting stones, or
      engraving on stones, either gems or monuments; as,
      lapidary ornamentation.
      [1913 Webster]

   2. Of or pertaining to monumental inscriptions; as, lapidary
      adulation.
      [1913 Webster]

   Lapidary style, that style which is proper for monumental
      and other inscriptions; terse; sententious.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lapidary \Lap"i*da*ry\, n.; pl. Lapidaries. [L. lapidarius,
   fr. lapidarius pertaining to stone: cf. F. lapidaire.]
   1. An artificer who cuts, polishes, and engraves precious
      stones; hence, a dealer in precious stones.
      [1913 Webster]

   2. A virtuoso skilled in gems or precious stones; a
      connoisseur of lapidary work.
      [1913 Webster]

   Lapidary's lathe, Lapidary's mill, Lapidary's wheel, a
      machine consisting essentially of a revolving lap on a
      vertical spindle, used by a lapidary for grinding and
      polishing.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lapidary
    adj 1: of or relating to precious stones or the art of working
           with them; "the ring is of no lapidary value"- Lord
           Byron; "lapidary art"
    n 1: an expert on precious stones and the art of cutting and
         engraving them [syn: lapidary, lapidarist]
    2: a skilled worker who cuts and engraves precious stones [syn:
       lapidary, lapidist]

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "lapidary":
   aquatint, aquatinta, autolithographic, burinist, carver,
   cerographer, chalcographer, engraver, etcher, gem engraver,
   glyptic, glyptographic, graphic artist, graver, inscriber,
   line engraver, lithographer, lithographic, mezzotint, printmaker,
   pyrographer, serigrapher, silk-screen artist, wood engraver,
   wood-block, xylographic, xylopyrographer