Dictionary.com
Thesaurus.com
Showing results for fir. Search instead for fir 2.
Jump To:
  • 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:

A $5 permit, a hike through the snow, and a glorious Douglas fir we covered in lights.

From The Wall Street Journal Dec. 24, 2025

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

From Salon Dec. 18, 2025

Forest is more valuable there than in the South due to high prices for logs from Douglas fir trees that often are exported to Asia.

From Barron's Dec. 16, 2025

The gentle slopes of Ukraine's Carpathian mountains, smothered in brilliant green spruce and fir trees, stretch into the distance.

From BBC Aug. 11, 2025

I left the concrete path and shimmied through an opening in the dense bushes that led to deeper green—tall elm, fir, and birch standing together.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

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 image shows shock layers around the FIR 4 region as well as the outflow from the baby star.

From Space Scoop Feb. 20, 2023

I had filed an FIR in May with you, but you’ve done absolutely nothing.

From BBC Jan. 4, 2022

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

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

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

One of his firs rules: “Always have class.”

From Los Angeles Times Sep. 11, 2024

The loggers had had their pick of the virgin timber still growing along that section of the Dungeness— towering Douglas firs and massive western red cedars.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training