[fir] n [ME, fr. OE fyrh; akin to OHG forha fir, L quercus oak] (bef. 12c) 1: any of a genus (Abies) of north temperate evergreen trees of the pine family that have flattish leaves, circular leaf scars, and erect female cones and are valued for their wood; also: any of various conifers (as the Douglas fir) of other genera
2: the wood of a fir