Elm or pine (4)
I believe the answer is:
tree
This clue is a double definition.
'elm' is the first definition.
(I've seen this in another clue)
'pine' is the second definition.
(thesaurus)
(Other definitions for tree that I've seen before include "famous actor" , "Plant with bark" , "Plane possibly" , "Large shrub with branches" , "Older actor" .)