knob

noun

1
a
: a small rounded ornament or handle
b
: a rounded protuberance : lump
2
: a rounded usually isolated hill or mountain
knobbed adjective
knobby 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To study them, astronomers use complex models that have many knobs and switches. Andrej Prša, The Conversation, 23 July 2025 But its core design—gray screen, red frame, white knobs—largely remained the same. Aurora Martínez, Smithsonian Magazine, 11 July 2025 The glass material is also weather-resistant, and the flame can easily be adjusted by turning the knob on the side of the wick’s lid. Caley Sturgill, Southern Living, 5 July 2025 Many stovetops and other appliances now have touch-sensitive controls rather than physical knobs. Larry Magid, Mercury News, 3 July 2025 See All Example Sentences for knob

Word History

Etymology

Middle English knobbe; akin to Middle Low German knubbe knob

First Known Use

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

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

Cite this Entry

“Knob.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knob. Accessed 3 Aug. 2025.

Kids Definition

knob

noun
1
a
: a rounded lump
b
: a small rounded handle
2
: a rounded hill
knobbed adjective
knobby adjective

Medical Definition

knob

noun
: a rounded protuberance or lump
knobby adjective
Last Updated: - Updated example sentences
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