(click for larger image in new window) n. A North American tree (Abies balsamea) having a pyramidal shape and flattened needles. It is widely used as a Christmas tree and yields Canada balsam and pulpwood.
Main Entry: balsam fir Function: noun : a resinous American evergreen tree (Abies balsamea) that is widely used for pulpwood and as a Christmas tree and that isthe source of Canada balsam