Conveyances able to return (5)
I believe the answer is:
trams
'conveyances' is the definition.
(tram is a kind of conveyance)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for trams that I've seen before include "People movers" , "Not seen in London" , "old vehicles" , "silk yarns" , "public transport" .)