1) Hawk 2) Male hawk 3) Male hawk used in falconry 4) Male peregrine 5) Tercel 6) Tercelet 1) Tercel 2) Tercelet 
• (n.) Alt. of Tiercelet
Male raptor.
(from the article `falconry`) ...plumage is termed a haggard. The female peregrine falcon is properly called a falcon, and the male—which, in common with most species of raptors, ...
The male peregrine falcon, thus named because it is about one-third the size of a female.
A male Peregrine (a 'tierce' or a 'third' smaller than a female).
a male raptor.
A male raptor, although technically this applies to a male Peregrine Falcon in particular.
[n] - male hawk especially male peregrine or gyrfalcon
Originally the male peregrine or gyr, a third smaller than females.
tercel noun male hawk especially male peregrine or gyrfalcon
The male falcon.