Over to one side, on a roll (6)
I believe the answer is:
listed
'over' is the definition.
Both the answer and definition are adjectives. Maybe they are linked in a way I don't understand?
'one side on a roll' is the wordplay.
'one side' becomes 'ed' (I am not sure about this - if you are sure you should believe this answer much more).
'on' is a charade indicator (letters next to each other).
'a roll' becomes 'list' (list can mean to lean or roll).
'ed' after 'list' is 'LISTED'.
'to' acts as a link.
Can you help me to learn more?
(Other definitions for listed that I've seen before include "Silted up and leaned over" , "Tilted to one side" , "Leant over to one side" , "Historic building could be" , "like the tower of Pisa" .)