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
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
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.
Noun
The brake at the 20-inch front wheel wrapped in Kenda rubber is an ebike-ready hydraulic disc flavor. New Atlas, 28 Sep. 2025 For the first time ever, The Sound of Music is now available worldwide in 4K Ultra HD Digital & Blu-ray disc. Scott Huver, PEOPLE, 28 Sep. 2025 Persistent lower back pain, despite two surgeries to relieve a herniated disc a few years ago—blame an unathletic youth and an adulthood spent hunched over a computer. Peter J. Frank, Robb Report, 25 Sep. 2025 Aside from providing a chance to see Sherman and Howe’s lustrous images in an immaculate transfer, the disc reminds us what a truly great actress Lupino was. Jim Hemphill, IndieWire, 25 Sep. 2025 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 30 Sep. 2025.

Kids Definition

disc

variant of disk

Medical Definition

disc

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

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