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
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
Sony executives were also asked how PlayStation will differentiate itself from PC gaming, which generally does not use discs. Scharon Harding, ArsTechnica, 31 July 2026 That brighter hue can be spotted in the lacquered hour and minute hands as well as the central chronograph’s seconds hand and the date disc, while white comes into play on the dial and the minutes track. Nicole Hoey, Robb Report, 30 July 2026 One of the biggest losers due to Sony’s controversial decision to abandon physical discs is the second-hand game market. Theara Coleman, TheWeek, 30 July 2026 These atmospheres may have formed due to the planets developing far from their host star in cold regions of the protoplanetary disc. Chris Young july 30, Refractor, 30 July 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 2 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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