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Definition of "knob" []

  • A rounded protuberance. (noun)
  • A rounded handle, as on a drawer or door. (noun)
  • A rounded control switch or dial. (noun)
  • A prominent rounded hill or mountain. (noun)
  • A rounded projection from a surface, such as a lump on a tree trunk (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A handle of a door, drawer, etc, esp one that is rounded (noun)
  • A round hill or knoll or morainic ridge (noun)
  • To supply or ornament with knobs (verb)
  • To form into a knob; bulge (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "knob" in a sentence
  • "While the knurled knob is pressing against the pane in two locations, it's not yet clear whether the glass has suffered any measurable damage."
  • "Turn the lower-right knob so that the flat side of the knob is facing Northwest"
  • "Turn the lower-left knob so that the flat side of the knob is facing Northeast"