noun

1. reeling by hand (esp. silk); hand filature
2. counter sinking (making conical depression so screw-heads don't protrude above surface); spot facing (machining a flat space for bolt head, etc.); spotfacing (esp. 座ぐり)
3. hollowing out (e.g. wooden chair seat, scallop pattern on roof, etc.) (esp. 座刳り)