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Synonyms

fir

1 American  
[fur] / fɜr /

noun

  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

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.

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

The company’s forests in Oregon and Washington state are particularly valuable because they produce desirable wood from Douglas fir trees.

From Barron's • Dec. 5, 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

It was supported by more than 4,400 pilings — 70-foot Douglas fir beams driven about 20 feet into the ocean floor.

From Los Angeles Times • Jun. 8, 2025

There are old, broad fir trunks with knobby twists in their bark.

From "The Sea in Winter" by Christine Day