Moved laterally (6)
(Other definitions for edged that I've seen before include "sharp" , "Moved sideways slowly" , "Trimmed" , "with the ability to cut" , "Fringed" .)
'moved laterally' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sidled that I've seen before include "Edged, moved furtively" , "Moved sideways" , "Moved in furtive manner, edged along" , "Moved in furtive or cringing manner" , "Walked sideways like crab" .)