2A shutter for regulating the airflow in an organ.
More example sentences
- Changes in registration by means similar to those provided by the older ventils were still possible, however.
- Langlais grimaced angrily, kicked open the ventils, leaned across as many keys as he could and almost blew the roof off.
- The treble and bass pipes chest ventils for a particular type of pipe voice are connected or coupled together.