- any of numerous stout-bodied, nonstinging insects of the order Odonata (suborder Anisoptera), the species of which prey on mosquitoes and other insects and are distinguished from the damselflies by having the wings outstretched rather than folded when at rest.
- a two-seat, twin-turbojet U.S. attack aircraft in service since 1967, armed with a Minigun and capable of carrying nearly 5700 pounds (2585 kilograms) of ordnance.
- any predatory insect of the suborder Anisoptera, having a large head and eyes, a long slender body, two pairs of iridescent wings that are outspread at rest, and aquatic larvae: order Odonata
- any other insect of the order Odonata
