Three-masted ship (4)
'three-masted ship' is the definition.
(I know that bark is a type of three-masted ship)
This is all the clue.
(Other definitions for bark that I've seen before include "Sailing-ship" , "A dog's shout" , "Woof" , "Dog's sound" , "Protective covering of woody stems" .)
'three-masted ship' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for clipper that I've seen before include "carrying tea in the old days" , "under sail" , "What provides trim" , "Fast commercial sailing ship" , "used to dock" .)