Definition of "organ-stop" [organ-stop]

• The stop of an organ. See organ and stop. (noun)

The Century Dictionary (Public Domain)

• "The piano-black trim on the steering wheel, the faux Bakelite, the chrome key window switches and organ-stop vent pulls, the frosted glass around the iDrive indicators, leather and veneers galore."
• "Besides, he will at once be transformed from a human being into an organ-stop or something of the sort; for what is a man without desires, without free will and without choice, if not a stop in an organ?"
• "The operation of these "capital" and "small-capital keys" is similar to that of an organ-stop in modifying the effect of other keys."