Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.


From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search


(Science: zoology) One of several species and varieties of large arctic falcons, especially. Falco rusticolus and the white species f. Islandicus, both of which are circumpolar. The black and the gray are varieties of the former.

alternative forms: gerfalcon, gierfalcon, and jerfalcon.

Origin: 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, falcon.