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
Bradley Reeves says the disc discoveries actually became routine. Jonathan Rowe, SPIN, 1 June 2026 Rodríguez continues to recover from elbow surgery, while Wilson has been sidelined by lumbar disc inflammation. Chantz Martin Outkick, FOXNews.com, 31 May 2026 The center disc, done in a Blackor fumé (also with a sunburst pattern), is where the second time zone resides, with a white arrow marking the way. Nicole Hoey, Robb Report, 29 May 2026 Dough derived from lentils and chickpeas is formed into thin, chip-like discs, then fried in rice bran oil, and lightly seasoned with salt and cumin to make these traditional papadums. Michele Laufik, Martha Stewart, 29 May 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 5 Jun. 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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