Definition of organ stop in English:
1A set of pipes of a similar tone in an organ.
- He'd started piano lessons at six and had not touched an organ before he was nine, but at seven or eight he began to stick bits of paper above the piano keys - imagining they were organ stops.
- Fritz had cunningly stuck on a '4ft Flute’ organ stop and I remember thinking what a brilliant idea that was.
Definition of organ stop in:
- US English dictionary