Many a Christmas tree (3)

I believe the answer is:

fir

'many a christmas tree' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for fir that I've seen before include "Evergreen tree for Gaelic men" , "Evergreen conifer" , "Evergreen tree for Irish men?" , "Conifer tree" , "Scots pine" .)

I've seen this clue in The Washington Post, the Universal, the LA Times and the USA Today.

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