River craft (5)
I believe the answer is:
canoe
'river craft' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for canoe that I've seen before include "Simple boat" , "Boat (that can be dug out!)" , "Boat that's paddled" , "Light boat propelled by paddle(s)" , "Light, narrow open boat" .)