disc

1 of 3

noun

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
c
usually disc : optical disc: such as
(1)
(2)
: cd
d
usually disc : a rotor in a disc brake
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

disc

2 of 3

abbreviation

disc-

3 of 3

combining form

variants or disci- or disco-
1
: disk
discoid
2
: phonograph record
discophile

Examples of disc in a Sentence

Recent Examples on the Web
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Noun
When the discs degenerate, vertebrae lose the spongy buffer between bones, resulting in pain. New Atlas, 19 Aug. 2026 The Mets traded for another injury-prone player in Robert, who missed nearly three months due to a lumbar spine disc herniation before the center fielder returned in July. Peter Sblendorio, New York Daily News, 19 Aug. 2026 While generic drives can install disc games to the app, the Remix remains essential for cartridges. Mitch Wallace, Forbes.com, 18 Aug. 2026 By the 1990s, Columbia House and rival BMG Music Service were giants of the compact-disc era. Spin Staff, SPIN, 17 Aug. 2026 See All Example Sentences for disc

Word History

Etymology

Combining form

Latin, from Greek disk-, disko-, from diskos

Browse Nearby Words

Cite this Entry

“Disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc. Accessed 22 Aug. 2026.

Kids Definition

disc

variant of disk

Medical Definition

disc

noun
: any of various rounded or flattened anatomical structures: as
a
: a mammalian blood cell

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