bellows

BEL-loewz

[ English ]

Definition

A mechanical device used to provide a stream of air to a musical instrument producing sound (vibrations). 

1. A pneumatic device that pumps air into a pipe organ. 

2. The pleated center section of instruments in the accordion family that collects air when expanded and pushes the air across the reeds to produce the musical pitch(es) when squeezed together.

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Last Updated: 2016-05-18 22:51:34