Christmas fir

I believe the answer is:

balsam

'christmas fir' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for balsam that I've seen before include "Aromatic resin" , "Fragrant ointment" , "Aromatic ointment" , "Fragrant resin used in medicine and perfumes" , "Soothing ointment" .)

I've seen this clue in The New York Times.

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