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
Sophie Levenson, Chicago Tribune, 3 Aug. 2025
At a table, a worker in an apron kneads a huge ball of dough, slices off a strip and shapes it into a familiar disc with a hole in the middle.
—Michael Collins, USA Today, 1 Aug. 2025
The diagnosis was a ruptured disc in her spine, but a secondary, life-altering discovery was made.
—Maria Morava, MSNBC Newsweek, 1 Aug. 2025
The centerpiece is a rotating disc that completes a full revolution over the course of 365 days, echoing the cycle of the seasons.
—Rachel Cormack, Robb Report, 31 July 2025
See All Example Sentences for disc
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Noun
And Williams was shocked to find that Black really knew how to spin a disc.
—Sophie Levenson, Chicago Tribune, 3 Aug. 2025
At a table, a worker in an apron kneads a huge ball of dough, slices off a strip and shapes it into a familiar disc with a hole in the middle.
—Michael Collins, USA Today, 1 Aug. 2025
The diagnosis was a ruptured disc in her spine, but a secondary, life-altering discovery was made.
—Maria Morava, MSNBC Newsweek, 1 Aug. 2025
The centerpiece is a rotating disc that completes a full revolution over the course of 365 days, echoing the cycle of the seasons.
—Rachel Cormack, Robb Report, 31 July 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 8 Aug. 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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