Bodily energy restrained by NCO (9)
I believe the answer is:
corporeal
'bodily' is the definition.
('corporeal' can be a synonym of 'bodily')
'energy restrained by nco' is the wordplay.
'energy' becomes 'e' (physics symbol as in E=mc2).
'restrained by' indicates putting letters inside.
'nco' becomes 'corporal' (I've seen this before).
'e' inserted inside 'corporal' is 'CORPOREAL'.
(Other definitions for corporeal that I've seen before include "Bodily" , "of flesh" , "pink material" , "physical" , "not spiritual" .)