Vessels for flowers (5)
I believe the answer is:
vases
'vessels for flowers' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for vases that I've seen before include "Vessels for flowers" , "Receptacles for cut flowers" , "Saves in containers for flowers" , "Pots for cut flowers" , "Jars for flowers (5)" .)