Instrument of torture (4)
'instrument of torture' is the definition.
(rack is a kind of instrument of torture)
This is the entire clue.
(Other definitions for rack that I've seen before include "Garlic mayonnaise" , "Shelf; cudgel (brains)" , "Place of torture" , "Instrument of torture (a stretcher)" , "Cogged rail; (lamb) joint" .)
'instrument of torture' is the definition.
(iron maiden is a kind of instrument of torture)
This is all the clue.
(Other definitions for iron maiden that I've seen before include "Box-shaped instrument of torture - no meridian (anag)" , "used to inflict pain" , "Group" , "Instrument of torture (a hinged case lined with spikes)" , "a suit, very sharp underneath the surface" .)