Definitions
1.NounA device which binds together sheets of paper by driving a thin metal staple through the sheets and simultaneously folding over the ends of the staple against the back surface of the paper.
2.NounAny device for stapling with (small or large) staples, including any office stapler, staple gun, or hammer tacker.
3.NounA dealer in staple goods.
4.NounOne employed to sort wool according to its staple.