The passage I’ll read aloud (5)
I believe the answer is:
aisle
'the passage' is the definition.
(aisle can mean a path or passageway)
'i'll read aloud' is the wordplay.
'read aloud' indicates a 'sounds like' (homophone) clue.
'ill' sounds like 'AISLE'.
(Other definitions for aisle that I've seen before include "Corridor" , "Extension of the nave in a church" , "Supermarket passageway" , "Part of supermarket" , "channel" .)