The Collaborative International Dictionary of English v.0.48:

Buhl \Buhl\, Buhlwork \Buhl"work\, n. [From A. Ch. Boule, a
   French carver in wood.]
   Decorative woodwork in which tortoise shell, yellow metal,
   white metal, etc., are inlaid, forming scrolls, cartouches,
   etc. [Written also boule, boulework.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

buhl
    n 1: an inlaid furniture decoration; tortoiseshell and yellow
         and white metal form scrolls in cabinetwork [syn: boulle,
         boule, buhl]