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  • fir
    fir
    noun
    any coniferous tree belonging to the genus Abies, of the pine family, characterized by its pyramidal style of growth, flat needles, and erect cones.
  • FIR
    FIR
    abbreviation
    far-infrared radiation.
Synonyms

fir

1 American  
[fur] / fɜr /

noun

  • firs
    plural
  1. any coniferous tree belonging to the genus Abies, of the pine family, characterized by its pyramidal style of growth, flat needles, and erect cones.

  2. the wood of such a tree.


FIR 2 American  

abbreviation

  1. far-infrared radiation.


fir British  
/ fɜː /

noun

  1. any pyramidal coniferous tree of the N temperate genus Abies , having single needle-like leaves and erect cones: family Pinaceae See also red fir silver fir balsam fir

  2. any of various other trees of the family Pinaceae , such as the Douglas fir

  3. the wood of any of these trees

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of fir

1250–1300; Middle English firre, Old English fyrh; cognate with Old Saxon furie; akin to Old English furh- (in fuhrwudu pine), Old Norse fura fir, Latin quercus oak (< *perkwu- )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Small amounts of fir and beech were also present.

From Science Daily Aug. 21, 2026

They also dropped by Pyongyang's top cadre school, where they planted a fir tree symbolising their evergreen friendship, Xinhua reported.

From BBC Jun. 9, 2026

At last, we found it: a sturdy Douglas fir with boughs that had pleasant symmetry and enough firmness to carry ornaments.

From The Wall Street Journal Dec. 23, 2025

Ford’s fir and birch-burners are radiant examples of human-made art triumphing over digital manufacture.

From Salon Dec. 18, 2025

Zane kept his eyes on one of the trees in the distance, a fir.

From "A Tangle of Knots" by Lisa Graff

But passenger jets traversing Cyprus’ FIR have received differing flight instructions, leading to “confusion and misunderstanding” among pilots although the risk of an accident is extremely remote, according to Europe’s air safety agency.

From Seattle Times May 25, 2023

The green star marks the location of the baby star in the FIR 3 region.

From Space Scoop Feb. 20, 2023

The SHO of the police station said that since the donkey’s name is also in the FIR, it cannot be released.”

From Fox News Jun. 9, 2020

Mr Nabi said that Mr Abbas Rana had initially refused to register a case - known as an FIR - telling him that his daughter might have "eloped with someone of her own free will".

From BBC May 22, 2019

FIR High o'er the lordly oak I stand, And drive him on from land to land.

From Poems By The Way & Love Is Enough by William Morris

The goal was to investigate a famous group of giant Taiwania firs known as the 'Chilan Three Sisters'.

From Science Daily Aug. 4, 2026

Would retaining a subset of old firs help new ones to thrive?

From The Wall Street Journal Apr. 17, 2026

“We’ve made a lot of progress as a community working with Republicans, working with Democrats,” he said, as the sun made a brief appearance, illuminating the Douglas firs outside his door.

From Los Angeles Times Mar. 15, 2026

Across the river on a span built by Romans and following the path through firs and beech, we soon reach a bend where the Irati turns back south.

From Salon Nov. 8, 2025

Outside the wood, the field was still bright with evening sunshine, but among the firs the light was dusky and here the bats were coming and going thickly.

From "Watership Down: A Novel" by Richard Adams

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