/ Dictionary / Index G gyrfalcon: Meaning and Definition of Find definitions for: gyr•fal•con Pronunciation: ( jûr'fôl"kun, -fal"-, -fô"kun), [key] — n. a large falcon, Falco rusticolus, of arctic and subarctic regions, having white, gray, or blackish color phases: now greatly reduced in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gyrfalcon (Thesaurus) gyrene gyri Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language