heading-chisel

(hed’ing-chiz’el), n. A. chisel for cutting down the head of a mortise. H. H. Knight. heading-circler (hed’ing-sér’klér), ». A machine for cutting and dre ing the pieces used to form the head of a cask. The stuff is clamped between two disks, shaped by a saw, and finally dre ed by revolving cutters.