Hollowed out (5)
I believe the answer is:
cored
'hollowed out' is the definition.
(coring is a kind of hollowing out)
This is the entire clue.
(Other definitions for cored that I've seen before include "dispensed with the centre" , "Removed heart of (apple)" , "Removed centre from apple for dicor" , "having something at heart" , "With central part removed" .)