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 (such as the Douglas fir) of other genera
2
: the wood of a fir

Examples of fir in a Sentence

Recent Examples on the Web
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The leaders, who last met in Beijing in September, also toured a ruling Workers’ Party training school and planted a fir tree symbolizing bilateral ties. ABC News, 9 June 2026 The 34-mile road winds through several ecosystems from cove hardwood to northern hardwood to pine oak to spruce fir. Tara Massouleh McCay, Southern Living, 8 June 2026 The red-rock haven features tight orange canyons and spruce and fir forests, with wildlife like prairie dogs, pronghorns, and migrating hummingbirds. Stephanie Vermillion, Travel + Leisure, 17 May 2026 Other samples contained alder and ash, more common to rivers, as well as fir and beech more typical of the mountain regions of Istria and Dalmatia. ArsTechnica, 2 May 2026 See All Example Sentences for fir

Word History

Etymology

Middle English, from Old English fyrh; akin to Old High German forha fir, Latin quercus oak

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of fir was before the 12th century

Browse Nearby Words

Cite this Entry

“Fir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fir. Accessed 17 Jun. 2026.

Kids Definition

fir

noun
1
: any of various usually large evergreen trees related to the pines some of which yield useful lumber or resins
2
: the wood of a fir

Medical Definition

fir

noun
: any tree of the genus Abies see balsam fir

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