Varnish resin (7)
'varnish resin' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shellac that I've seen before include "Sort of resin" , "Resin used in varnishes" , "Resin used for varnish, formerly for records" , "Material of pre-vinyl 78 rpm records" , "Resin in flakes, used to making varnish" .)
'varnish resin' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for copal that I've seen before include "Hard resin" , "Resin used in varnish" , "Aromatic tree resin" .)