variant spelling of disk
1
a
: the seemingly flat figure of a celestial body
the solar disk
b
archaic
: discus
2
usually disc
: any of various rounded and flattened animal anatomical structures
especially
: intervertebral disc see also slipped disc
3
: the central part of the flower head of a typical composite made up of closely packed tubular flowers
4
: a thin circular object: such as
a
usually disc
: a phonograph record
b
: a round flat plate coated with a magnetic substance on which data for a computer is stored
5
usually disc
: one of the concave circular steel tools with sharpened edge making up the working part of a disc harrow or plow
also
: an implement employing such tools
variants
or disci-
or disco-
1
: disk
discoid
2
: phonograph record
discophile
Examples of disc in a Sentence
Recent Examples on the Web
Clint Davis, People.com, 13 Apr. 2025
This beautiful packaging will contain no less than three discs, too: The 4K disc carrying the new 4K HDR master of the film, an HD Blu-ray of the same director’s cuts, and a second HD Blu-ray disc given over entirely to extra features.
—John Archer, Forbes.com, 11 Apr. 2025
Continue reading … 'THIS IS UNFAIR' – A video showed disc golfer Abigail Wilson walking up to the tee box, winding up, and flinging her arm forward.
—Chantz Martin, FOXNews.com, 9 Apr. 2025
This means that the Switch could be even more expensive than $450 and that other products, including physical game discs, controllers, and more, could see price increases as well.
—Alyssa Mercante, Rolling Stone, 8 Apr. 2025
See All Example Sentences for disc
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Noun
The machine comes with one of Shark’s Odor Neutralizer discs, an adjustable cartridge that puts out a fresh scent as the air purifier blows clean air.
—Clint Davis, People.com, 13 Apr. 2025
This beautiful packaging will contain no less than three discs, too: The 4K disc carrying the new 4K HDR master of the film, an HD Blu-ray of the same director’s cuts, and a second HD Blu-ray disc given over entirely to extra features.
—John Archer, Forbes.com, 11 Apr. 2025
Continue reading … 'THIS IS UNFAIR' – A video showed disc golfer Abigail Wilson walking up to the tee box, winding up, and flinging her arm forward.
—Chantz Martin, FOXNews.com, 9 Apr. 2025
This means that the Switch could be even more expensive than $450 and that other products, including physical game discs, controllers, and more, could see price increases as well.
—Alyssa Mercante, Rolling Stone, 8 Apr. 2025
See All Example Sentences for disc
Cite this Entry
“Disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc. Accessed 22 Apr. 2025.
Copy CitationMedical Definition
disc
noun
variants
or disk
: any of various rounded or flattened anatomical structures: as
a
: a mammalian blood cell
b
c
: intervertebral disc see also slipped disc
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