hone
/həʊn/
noun
Meaning
A sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool.
A machine tool used in the manufacture of precision bores.
verb
Meaning
To sharpen with a hone; to whet.
To use a hone to produce a precision bore.
To refine or master (a skill).
To make more acute, intense, or effective.