Noun
reeling by hand (esp. silk); hand filature
Noun, Suru verb
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
Noun
hollowing out (e.g. wooden chair seat, scallop pattern on roof, etc.)
esp. 座刳り
Also written 座ぐり【ざぐり】、座刳り【ざぐり】、坐繰り【ざぐり】、座繰【ざぐり】、坐繰【ざぐり】