1. (Zoöl.) (a) One of a family (Falconidæ) of raptorial birds, characterized by a short, hooked beak, strong claws, and powerful flight. (b) Any species of the genus Falco, distinguished by having a toothlike lobe on the upper mandible; especially, one of this genus trained to the pursuit of other birds, or game. In the language of falconry, the female peregrine (Falco pereg...