(1):
(n.) 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.
(2):
(n.) One of a family (Falconidae) of raptorial birds, characterized by a short, hooked beak, strong claws, and powerful flight.
(3):
(n.) An ancient form of cannon.