Corpus __ (7)
'corpus' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for body that I've seen before include "Corpus" , "Physique" , "Cadaver" , "Substance" , "Corpse; main part" .)
(Other definitions for habeas that I've seen before include "Produce the body in court - . . . . . . corpus" , "Bring person to court - . . . . . . corpus" , "... corpus, writ to bring a prisoner before a judge" , "In law, produce person in court - . . . . . . corpus" , "Deliver person to court - ?? corpus" .)