Room to spread capes (5)
I believe the answer is:
space
'room' is the definition.
(room can mean space or an empty area)
'spread capes' is the wordplay.
'spread' is an anagram indicator.
'capes' with letters rearranged gives 'SPACE'.
'to' acts as a link.
(Other definitions for space that I've seen before include "Blank" , "-- Capsule; -- bar" , "A particular area for paces" , "Gap; --- Oddity (Bowie)" , "Emptiness" .)