Hypertext Webster Gateway: "gyrfalcon"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Gyrfalcon \Gyr"fal`con\, n. [OE. gerfaucon, OF. gerfaucon, LL.
gyrofalco, perh. fr. L. gyrus circle + falco falcon, and
named from its circling flight; or cf. E. gier-eagle. See
{Gyre}, n., {Falcon}.] (Zo["o]l.)
One of several species and varieties of large Arctic falcons,
esp. {Falco rusticolus} and the white species {F.
Islandicus}, both of which are circumpolar. The black and the
gray are varieties of the former. See Illust. of {Accipiter}.
[Written also {gerfalcon}, {gierfalcon}, and {jerfalcon}.]
From WordNet (r) 1.7 (wn)
gyrfalcon
n : large and rare arctic falcon having white and dark color
phases [syn: {gerfalcon}, {Falco rusticolus}]
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