Ghosts (8)
I believe the answer is:
spectres
'ghosts' is the definition.
(spectre can mean a ghost)
This is all the clue.
(Other definitions for spectres that I've seen before include "Pay respects to ghosts" , "Respects, being spirits" , "Ghosts wielding sceptres" , "Ghosts, shades" , "Ghostly apparitions" .)