The Collaborative International Dictionary of English v.0.48:

Chablis \Cha*blis"\ (sh[.a]*bl[=e]"), n. [F.]
   A white wine made near Chablis, a town in France.
   [1913 Webster]

   2. a white wine resembling Chablis[1], but made elsewhere, as
      in California.
      [PJC] Chabouk

WordNet (r) 3.0 (2006):

Chablis
    n 1: a town in north central France noted for white Burgundy
         wines
    2: dry white table wine of Chablis, France or a wine resembling
       it [syn: Chablis, white Burgundy]