Loose coins (6)
I believe the answer is:
'loose coins' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for change that I've seen before include "Word for small coins in pocket" , "Money returned as balance after purchase" , "Coins of low value" , "It's said to be as good as a rest" , "Loose money in pocket" .)