gyrfalcon

noun

Etymology: From Old French gerfaucon (modern French gerfaut), with the first element probably from Old High German gīr (“vulture”) (whence the German Geier).

1. Any large falcon, especially as used to fly at herons.

   “For I obſerve, that all vvomen of your condition are like the vvomen of the Play-houſe, ſtill Piquing at each other, vvho ſhall go the beſt Dreſt, and in the Richeſt Habits: till you vvork up one another by your high flying, as the Heron and Jerfalcon do.”

2. Falco rusticolus, a large bird of prey that breeds on Arctic coasts and islands of North America, Europe and Asia.

   “[T]he usurper Buljan ordered that his sukkah be erected on the donjon's roof, with its […] relative nearness to the stars, among which his sky-worshiping and uncircumcised ancestors still hunted with infallible gyrfalcons for celestial game.”