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stop knob

noun
  1. stop(def 31d).
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Origin of stop knob

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for stop knob

Historical Examples

  • A stop-knob bearing the inscription, "Noli me tangere" (touch me not), was attached to the console.

    The Recent Revolution in Organ Building

    George Laing Miller