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 Chapman family earned the title with David Chapman's Balsam fir ‒ a type of evergreen tree commonly grown as a Christmas tree. — Adrienne Davis, jsonline.com, 19 Sep. 2026 Starting at Massie Gap at Grayson Highlands State Park, the nine-mile round-trip hike winds across open highland meadows, past grazing ponies, and into a mossy spruce-fir forest ecosystem. — Erin Gifford, Southern Living, 17 Sep. 2026 The structure was decorated with fir branches and purple fabric—two elements chosen for their strong symbolic meaning. — Stefania Conrieri, Vanity Fair, 9 Sep. 2026 Monarchs travel up to 3,000 miles to their wintering destinations in central Mexico, where Oyamel fir forests (or, Abies religiosa) grow at high altitudes (around 7,800-11,800 feet). — Sarah Moore, Freep.com, 9 Sep. 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 8 Oct. 2026.

Kids Definition

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

: any tree of the genus Abies see balsam fir

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