The cutting side of a blade (4)
I believe the answer is:
edge
(Other definitions for edge that I've seen before include "Final line" , "Skirt" , "Inch; border" , "Sharpness of mind" , "on which one is ill at ease?" .)
I believe the answer is:
edge
(Other definitions for edge that I've seen before include "Final line" , "Skirt" , "Inch; border" , "Sharpness of mind" , "on which one is ill at ease?" .)