1. A gun from which a projectile is propelled by compressed air
2. Any of various hand tools that work by compressed air; especially; airbrush
3. Propels a projectile by compressed air; SYN. airgun.
A rifle whose projectile (as a BB or pellet) is propelled by compressed air or carbon dioxide.
1. A tube for directing a jet of air into a fire or into the flame of a lamp or candle, so as to concentrate the heat on some object.
2. A blowgun; a blowtube.