槽口刨,凹刨,用凹刨做的槽
Fillister \Fil"lis*ter\, n.
1. The rabbet on the outer edge of a sash bar to hold the
glass and the putty. --Knight.
2. A plane for making a rabbet.
{Fillister screw had}, a short cylindrical screw head, having
a convex top.