pneumatic: Meaning and Definition of

pneu•mat•ic

1. of or pertaining to air, gases, or wind.
2. of or pertaining to pneumatics.
3. operated by air or by the pressure or exhaustion of air: a pneumatic drill.
4. filled with or containing compressed air, as a tire.
5. equipped with pneumatic tires.
6. of or pertaining to the spirit; spiritual.
7. containing air or air cavities.

1. a pneumatic tire.
2. a vehicle having wheels with such tires.