engraving definition
engraving means and includes every work made upon a plate block or slab of any material by engraving lithography or any other process whereby impressions may be taken from such plate block or slab.
engraving means the art of producing on hard material incised or raised patterns, lines or similar images, from which an impression or print is taken and includes any etching, lithograph, woodcut, print or similar work, but does not include a photograph;