Locked up (5)
'locked up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for caged that I've seen before include "in prison" , "Shut up" , "Confined behind bars" , "Cooped up" , "In a zoo?" .)
'locked up' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for captive that I've seen before include "Prisoner" , "Detainee" .)