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also gerfalcon  (jûr′făl′kən, -fôl′-, -fô′-)
A large black, gray, or white falcon (Falco rusticolus) that breeds in Arctic and subarctic regions and sometimes migrates to northern North America and Eurasia. It is highly valued in falconry.

[Middle English girfaucoun, from Old French girfaut, gerfaucon : Old High German gīr, vulture + Old French faucon, falcon; see falcon.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈdʒɜːˌfɔːlkən; -ˌfɔːkən) or


(Animals) a very large rare falcon, Falco rusticolus, of northern and arctic regions: often used for hunting
[C14: from Old French gerfaucon, perhaps from Old Norse geirfalki, from geirr spear + falki falcon]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdʒɜrˌfɔl kən, -ˌfæl-, -ˌfɔ kən)

a large falcon, Falco rusticolus, of arctic and subarctic regions, having white to dark color phases.
[1300–50; Middle English gerfaucon, jerfacoun < Old French, =ger- (probably < Old High German gīr vulture; compare lammergeier) + faucon falcon; compare Old Norse geirfalki]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gyrfalcon - large and rare Arctic falcon having white and dark color phasesgyrfalcon - large and rare Arctic falcon having white and dark color phases
falcon - diurnal birds of prey having long pointed powerful wings adapted for swift flight
Falco, genus Falco - a genus of Falconidae
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Aspergillus fumigatus is a ubiquitous fungal organism, and raptors, especially gyrfalcons, are considered particularly susceptible to Aspergillus infection.
The effect of kleptoparasitic Bald Eagles and Gyrfalcons on the kill rate of Peregrine Falcons hunting Dunlins wintering in British Columbia.
Derek, who has been keeping raptors for the past 35 years, has a wide variety of birds, including goshawks, peregrines, saker falcons, gyrfalcons and a magnificent golden eagle.
You can choose among gyrfalcons, knights, eagles, lions, heads of armored knights, crossed swords, dragons, etc.
My gyrfalcon illustration took a bit of time because I had some trouble finding good images of gyrfalcons in the position I wanted.
Birds of prey seem to be particularly susceptible to HPAIV infection (10), including the HPAIV H5N8 virus that killed captive gyrfalcons (Falco rusticolus) that were fed infected duck carcasses (7).
Two separate virus strains were identified: H5N2 in northern pintail ducks and H5N8 in captive gyrfalcons that were fed hunter-killed wild birds.
In addition, we may periodically see other rare northern migrants like the great gray, boreal, hawk and long-eared owls, as well as gyrfalcons and rough-legged hawks.
Button, who later posed nervously with two gyrfalcons from Abu Dhabi Falconers' Club, went on to praise the Abu Dhabi Grand Prix.
Occasionally, hawk watchers are rewarded with sightings of rare visitors to New York, including Swainson's hawks common in the western United States, swallow-tailed kites from the deep south, and even gyrfalcons of the high arctic.
For falcon breeding , it arranges visits to Rasstede, which has more than 70 birds including peregrine falcons, gyrfalcons and saker falcons on offer.