[gyr.fal.con] n [ME gerfaucun, fr. OF girfaucon, prob. fr. gir vulture (fr. OHG gir) + faucon falcon] (14c): an arctic falcon (Falco rusticolus) that occurs in several color forms and is the largest of all falcons
GYRFALCON
Meaning of GYRFALCON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012