1、To blunt or dull(the edge of a cutting instrument).
2、A cutting instrument consisting of a sharp blade attached to a handle.
3、A thin, sharpened side, as of the blade of a cutting instrument.
4、A sharp-edged cutting instrument used especially for shaving the face or removing other body hair.
5、U. S. to develop technology and processes to ensure that the saw blade and other cutting instrument was the most sharp edge.
