The Collaborative International Dictionary of English v.0.48:

Fillister \Fil"lis*ter\, n.
   1. The rabbet on the outer edge of a sash bar to hold the
      glass and the putty. --Knight.
      [1913 Webster]

   2. A plane for making a rabbet.
      [1913 Webster]

   Fillister screw had, a short cylindrical screw head, having
      a convex top.
      [1913 Webster]