- A round or rectangular thin metal tube with a handle at one end, in the sides of which are pressed arrays of holes of differing sizes with sharp projections. Food rubbed against the projections is cut into fine slivers or raspings depending on the size of the holes and projections. Slivers accumulate on the inside of the tube, powder or raspings on the outside.
- A hand-operated version of the above in which the cylinder rotates while the food is pressed against it
- A food processor attachment consisting of a rotating circular disc containing the sharpened holes
- noun a tool with a rough metal surface, or with rough holes, used for grating food such as cheese