octave coupler
noun
a mechanism on an organ and on some harpsichords that enables keys or pedals an octave apart to be played simultaneously
Words Nearby octave coupler
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use octave coupler in a sentence
An octave coupler without such extension is incomplete and is no more honest than a stop which only goes down to Tenor C.
The Recent Revolution in Organ Building | George Laing Miller
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