DCHP-1 Online
silver fir 
1 Obs. a slender evergreen, Abies balsamea, found in Canada from northeastern Alberta eastward, the source of Canada balsam (def. 1).
See also: balsam (fir) (def. 1) Canada balsam (def. 1) silver pine
- 1775 (1792) They feed on nothing but rinds the whole winter, and by so doing kill a prodigious number of trees of all sorts; though they prefer the silver-fir to all others
2 a fir tree, Abies amabilis, of the Pacific Coast.
See also: balsam (fir) (def. 4)
- 1925 This fir [balsam fir] is also known as the White or Silver Fir from the appearance of its smooth grey bark, dappled with white.
- 1956 Amabilis fir [is also called] silver fir. . . .
- 1775 (1792) They feed on nothing but rinds the whole winter, and by so doing kill a prodigious number of trees of all sorts; though they prefer the silver-fir to all others