n. Any large falcon, especially as used to fly at herons.
n. A large bird of prey that breeds on Arctic coasts and islands of North America, Europe and Asia.
the GNU version of the Collaborative International Dictionary of English
n. One of several species and varieties of large Arctic falcons, esp. Falco rusticolus and the white species Falco Islandicus, both of which are circumpolar. The black and the gray are varieties of the former. See Illust. of accipiter.
The Century Dictionary and Cyclopedia
n. See gerfalcon.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. large and rare Arctic falcon having white and dark color phases
Word Usage
"The bony fingers that grabbed her wrist this time had all the strength of a gyrfalcon."