Crossword Genius

Sharpen, as a blade (4)

Ross

I believe the answer is:

hone

(Other definitions for hone that I've seen before include "Sharpen (a blade)" , "Strop" , "Sharpen tool on stone" , "Polish" , "Smooth stone" .)

I've seen this clue in The Washington Post and the LA Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.