- any of several birds of prey of the family Falconidae, especially of the genus Falco, usually distinguished by long, pointed wings, a hooked beak with a toothlike notch on each side of the upper bill, and swift, agile flight, typically diving to seize prey: some falcon species are close to extinction.
- Falconry.
- the female gyrfalcon.
- falcon-gentle.
- any bird of prey trained for use in falconry.
- a small, light cannon in use from the 15th to the 17th century.
- a family of air-to-air guided missiles, some of them capable of carrying nuclear warheads.
- any diurnal bird of prey of the family Falconidae, esp any of the genus Falco (gyrfalcon, peregrine falcon, etc), typically having pointed wings and a long tail
- any of these or related birds, trained to hunt small game
- the female of such a bird
- a light-medium cannon used from the 15th to 17th centuries
