\ 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

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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 Home cooks in a hurry could make a luxurious treat with little more than a knob of butter, canned sweetened condensed milk and cocoa. New York Times, "A Brazilian Treat for Home Cooks in a Hurry," 17 Feb. 2021 The victim said an unknown person broke a glass window on the side door to the garage and attempted to enter the door, breaking the door knob off and prying the frame. Brian Lisik, cleveland, "Man reports garage break-in: Brunswick Hills Township Police Blotter," 18 Jan. 2021 There will also be significant improvements to the interior, including a larger touchscreen, digital gauge cluster, a rotary shift knob, and nicer materials throughout. Connor Hoffman, Car and Driver, "2022 Jeep Grand Cherokee Comes into Clearer View," 21 Dec. 2020 Beyond structural features like a gel comfort seat, resistance knob and coated metal water bottle holder, the bike sports a 22-inch screen with a center audio jack, front facing speakers and high definition video quality. Zoe Malin, NBC News, "New and Notable: New products from Burst, Bowflex, Echelon and more," 21 Dec. 2020 If the mounting screws are exposed, simply back them out and then dismantle the knob and lock. Kevin Dupzyk And Joseph Truini, Popular Mechanics, "How to Open a Locked Door Without the Key," 18 Nov. 2020 Close the lid, then turn the only knob on the machine to purée. Amy Eisinger, M.a., SELF, "The Beaba Babycook Is the Best Baby Gadget We’ve Bought," 6 Nov. 2020 Cadillac has shown the manual shift knob for the upcoming V-series Blackwing models. Joey Capparella, Car and Driver, "Cadillac Shows 2022 CT5-V, CT4-V Blackwing's Manual Shift Knob," 11 Dec. 2020 This model is super-easy to use with its front knob timer. Popsci Commerce Team, Popular Science, "Best air fryer: Five things to consider," 4 Dec. 2020

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.

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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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Statistics for knob

Last Updated

4 Mar 2021

Cite this Entry

“Knob.” Dictionary, Merriam-Webster, Accessed 6 Mar. 2021.

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More Definitions for knob



English Language Learners Definition of knob

: a round switch on a television, radio, etc.
: a round handle on a door, drawer, etc.
chiefly British : a small lump or piece of something


\ 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

More from Merriam-Webster on knob

Thesaurus: All synonyms and antonyms for knob

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