= pneumatic, adj. 2.

/ˈwaɪndɪd/ Sounded with the breath, blown, as a wind-instrument.

Originally: designating a wind instrument. Now: spec. designating an instrument, esp. an organ operated by compressed air.

Of musical instruments: Played upon by blowing; wind-. Also transferred.

Of a musical instrument: Sounded by blowing.

Produced, or actuated, by ‘wind’ or compressed air: said of music played on wind-instruments, or of a wind-instrument.