Move along tentatively (4)

I believe the answer is:
edge
(Other definitions for edge that I've seen before include "marginal advantage" , "Periphery" , "Keenness" , "Boundary; advantage" , "Skirt" .)
I believe the answer is:
edge
(Other definitions for edge that I've seen before include "marginal advantage" , "Periphery" , "Keenness" , "Boundary; advantage" , "Skirt" .)