Bobbin (4)
'bobbin' is the definition.
(synonyms)
This is all the clue.
(Other definitions for spool that I've seen before include "Loops around with reel" , "Cylinder for winding film etc" , "Bobbin, reel" , "Film reel; wind" , "Ribbon holder" .)
'bobbin' is the definition.
(I know that bobbin can be written as reel)
This is the entire clue.
(Other definitions for reel that I've seen before include "energetic dance" , "Part of a film; stagger" , "Stagger around in the dance" , "Cylinder on which something is wound" , "Wind" .)