‖n. [ L., fir tree. ] (Bot.) A genus of coniferous trees, properly called Fir, as the balsam fir and the silver fir. The spruces are sometimes also referred to this genus. [ 1913 Webster ]
n. [ L. abies, abietis, a fir tree. ] A volatile oil distilled from the resin or balsam of the nut pine (Pinus sabiniana) of California. [ 1913 Webster ]
a. Of or pertaining to the fir tree or its products;
a. Of or pertaining to abietin;
n. (Chem.) A substance resembling mannite, found in the needles of the common silver fir of Europe (Abies pectinata). Eng. Cyc. [ 1913 Webster ]