\ ˈnäb How to pronounce knob (audio) \

Definition of knob

1a : a small rounded ornament or handle
b : a rounded protuberance : lump
2 : a rounded usually isolated hill or mountain

Other Words from knob

knobbed \ ˈnäbd How to pronounce knob (audio) \ adjective
knobby \ ˈnä-​bē How to pronounce knob (audio) \ adjective

Examples of knob in a Sentence

a carved walking stick with a silver knob toss a knob of butter into the frying pan
Recent Examples on the Web Customers fed their coins into a slot next to the door, pulled a small knob, and took out their purchase. Mark Feeney,, 12 May 2022 The center console knob switches between 2Hi, 4Hi and 4Lo controls and allows the Bronco to blast, climb or, if necessary, crawl over obstacles. Kyle Edward, Forbes, 26 Apr. 2022 In testing, the resistance knob was incredibly responsive; even a tiny turn moves your wheel within the lane. Angela Moscaritolo, PCMAG, 10 Mar. 2022 Users are prompted to adjust the bike’s resistance knob in order to navigate to the correct lane and hit fast-changing cadence and resistance goals. Lauren Goode, Wired, 17 Feb. 2022 With Honda’s Smart Key system, the scooter’s main knob is automatically activated as the owner approaches, and the engine can be started without inserting the key. Josh Max, Forbes, 25 Mar. 2022 The campaign also seeks to educate people on all forms of fire safety such as working smoke detectors, self-closing doors and stove knob covers. Kiely Westhoff And Alaa Elassar, CNN, 20 Mar. 2022 This approach also gives the engineers an extra knob to turn, as the power electronics can continuously alter the strength of this unique rotor's magnetic field. Dan Edmunds, Car and Driver, 1 Mar. 2022 Instead of a keyboard, there's an inset wheel, controlled by a small, rotating knob on its outer perimeter, kind of like the mechanism for operating a salad spinner. Amanda Chicago Lewis, Wired, 15 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'knob.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of knob

15th century, in the meaning defined at sense 1b

History and Etymology for knob

Middle English knobbe; akin to Middle Low German knubbe knob

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Time Traveler for knob

Time Traveler

The first known use of knob was in the 15th century

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Dictionary Entries Near knob



knob and tube wiring

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Statistics for knob

Last Updated

15 May 2022

Cite this Entry

“Knob.” Dictionary, Merriam-Webster, Accessed 26 May. 2022.

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More Definitions for knob


\ ˈnäb How to pronounce knob (audio) \

Kids Definition of knob

1 : a small rounded handle
2 : a rounded switch on an electronic device
3 : a rounded lump Her dog has a knob of a tail.
4 : a rounded hill


\ ˈnäb How to pronounce knob (audio) \

Medical Definition of knob

: a rounded protuberance or lump

Other Words from knob

knobby \ ˈnäb-​ē How to pronounce knob (audio) \ adjective


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