Wickerwork willow (5)
I believe the answer is:
osier
'wickerwork willow' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for osier that I've seen before include "growing in a bed" , "Basket producer" , "Kind of twig used in basketwork" , "Basket-maker" , "Willow for basket-making" .)