Illustration of disk
- disk 3 D
variants
or disc
plural disks or discs
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
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
variants
or disc
disked or disced; disking or discing; disks or discs
: to cultivate with an implement (such as a harrow or plow) that turns and loosens the soil with a series of discs
Examples of disk in a Sentence
Recent Examples on the Web
Keith Cooper, Space.com, 24 Oct. 2025
Kaylee’s injury occurred when slipped a disk between her T12 and T13 vertebrae during a run at the dog park.
—Alice Gibbs, MSNBC Newsweek, 22 Oct. 2025
Most games for newer consoles also have a digital download option, rather than just a physical disk or cartridge.
—Bestreviews, Mercury News, 22 Oct. 2025
Located about 162 light-years away from Earth, β CMi is encompassed by a disk of hydrogen moving incredibly fast.
—Andrew Paul, Popular Science, 22 Oct. 2025
See All Example Sentences for disk
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Noun
The hypothesis is that the object that has recently been ripped apart by the white dwarf could have originated from this debris disk of material that survived the death of the star.
—Keith Cooper, Space.com, 24 Oct. 2025
Kaylee’s injury occurred when slipped a disk between her T12 and T13 vertebrae during a run at the dog park.
—Alice Gibbs, MSNBC Newsweek, 22 Oct. 2025
Most games for newer consoles also have a digital download option, rather than just a physical disk or cartridge.
—Bestreviews, Mercury News, 22 Oct. 2025
Located about 162 light-years away from Earth, β CMi is encompassed by a disk of hydrogen moving incredibly fast.
—Andrew Paul, Popular Science, 22 Oct. 2025
See All Example Sentences for disk
Cite this Entry
“Disk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disk. Accessed 29 Oct. 2025.
Copy CitationKids Definition
disk
1 of 2 noun
variants
or disc
1
a
: the central part of the flower head of a typical plant (as a daisy or aster) of the composite family made up of closely packed tube-shaped flowers
b
: any of various rounded and flattened animal anatomical structures
especially
: intervertebral disk
2
: a thin circular object: 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
: CD
d
3
usually disc
: a tilling implement (as a plow) with sharp-edged circular cutting blades
also
: one of these blades
disk
2 of 2 verb
variants
or disc
: to cultivate (land) with a disc
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