noun
1. : one who plans the layout of material to be printed or reproduced
2. : a worker who marks out patterns on metal, stone, glass, textiles, or other material in preparation for such subsequent operations as cutting, bending, punching: as
a. : one who outlines on stock lumber the shape of furniture or other parts
b. : one who marks guide lines on metal parts to indicate material to be removed in machining
c. : one who uses a guiding design to prepare settings for stones on models of jewelry
d. : one who indicates by chalk lines the way in which steel plates are to be cut for use in ship or locomotive building — called also duplicator