Vehicle used by Beethoven (3)
I believe the answer is:
van
I believe this clue is a double definition.
'vehicle' is the first definition.
(type of vehicle)
'beethoven' is the second definition.
(synonyms)
'used by' is the link.
(Other definitions for van that I've seen before include "Transporting vehicle" , "Light vehicle" , "Leading group" , "Front of an advancing army" , "camper?" .)