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
But for a generation that has spent their entire lives being entertained by an algorithm, popping a disc into a player, sitting back, and knowing that their viewing experience won’t be interrupted by slow Internet seems almost radical. Tristan Bove, Fortune, 6 Mar. 2026 Folks who get snappy with a disc of shiny plastic from a jewel case. New Atlas, 6 Mar. 2026 The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. Eric Lagatta, AZCentral.com, 5 Mar. 2026 Chapman said the warming discs, which are heated in the microwave, are especially helpful to the newborns. Janice Neumann, Chicago Tribune, 3 Mar. 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 13 Mar. 2026.

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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