fir

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various evergreen trees of the genus Abies, having linear flattened needles and erect cones with deciduous scales.
• noun Any of several similar or related trees, such as the Douglas fir.
• noun The wood of any these trees.

from The Century Dictionary.

• noun An abbreviation of firkin.
• noun A coniferous tree, properly of the genus Abies, in distinction from the spruce (Picea): a term also applied, more loosely, to trees of other genera, as Picea and Pinus. See Abies.
• noun The she-balsam or Fraser fir, Abies Fraseri, of the more southern Appalachian Mountains.
• noun Same as alpine fir.
• noun Same as Shasta fir.
• noun The Douglas spruce.
• noun Same as Algerian fir.
• noun Same as bristle-cone fir.
• noun Same as grand fir.
• noun Same as Fraser fir.
• noun Same as white fir.
• noun Same as Shasta fir.
• noun Abies amabilis, distinguished as red silver fir.
• noun Abies Pichta, sometimes called Siberian silver fir.
• noun The king-pine, Abies Webbiana, often called Webb's silver fir. See king-pine, under pine.
• noun Same as grand fir.
• noun Same as lovely fir.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) A genus (Abies) of coniferous trees, often of large size and elegant shape, some of them valued for their timber and others for their resin. The species are distinguished as the balsam fir, the silver fir, the red fir, etc. The Scotch fir is a Pinus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A conifer of the genus Abies.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of various evergreen trees of the genus Abies; chiefly of upland areas
• noun nonresinous wood of a fir tree