pneumatic

adjective

Of or relating to air or other gases.

adjective

Of or relating to pneumatics.

adjective

Run by or using compressed air.

adjective

Filled with air, especially compressed air.

adjective

Having cavities filled with air, as the bones of certain birds.

adjective

Of or relating to the pneuma; spiritual.

In theology, relating to the spirit or pneuma, as distinguished from both soul and body; spiritual. See soul and spirit.

noun

An inflatable rubber tire.

noun

A vehicle, as a bicycle, motor-cycle, or motorcar, lifted with inflatable rubber tires.