6. The fiber of wool, cotton, flax, or the like; as, a coarse staple; a
fine staple; a long or short staple.
7. A loop of iron, or a bar or wire, bent and formed with two points to
be driven into wood, to hold a hook, pin, or the like.
8. (Mining) (a) A shaft, smaller and shorter than the principal one,
joining different levels. (b) A small pit.