an instrument of iron or steel, used in several arts, for the piercing or stamping holes in plates of metal, &c. being so contrived as not only to perforate, but to cut out and take away the piece.
an instrument of iron or steel, used in several arts, for the piercing or stamping holes in plates of metal, &c. being so contrived as not only to perforate, but to cut out and take away the piece.