Advances furtively (5)
I believe the answer is:
edges
(Other definitions for edges that I've seen before include "Borders, rims" , "Outer limits" , "Fringes" , "Bounds" , "Sharpened sides of blades" .)
I believe the answer is:
edges
(Other definitions for edges that I've seen before include "Borders, rims" , "Outer limits" , "Fringes" , "Bounds" , "Sharpened sides of blades" .)