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
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
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
Joe Rao, Space.com, 18 May 2026
Hydraulic disk brakes from Tektro provide plenty of stopping power.
—ArsTechnica, 15 May 2026
This simple little disk is made from pure copper, which is naturally antimicrobial.
—Caley Sturgill, Southern Living, 15 May 2026
Hardly anyone buys software on disks at Best Buy anymore.
—Marc Joffe, Oc Register, 15 May 2026
See All Example Sentences for disk
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
Because a bright sky helps subdue Venus's glare, this is a good time to inspect the planet telescopically, though its gibbous disk remains rather small and approximately seven-eighths illuminated.
—Joe Rao, Space.com, 18 May 2026
Hydraulic disk brakes from Tektro provide plenty of stopping power.
—ArsTechnica, 15 May 2026
This simple little disk is made from pure copper, which is naturally antimicrobial.
—Caley Sturgill, Southern Living, 15 May 2026
Hardly anyone buys software on disks at Best Buy anymore.
—Marc Joffe, Oc Register, 15 May 2026
See All Example Sentences for disk
Cite this Entry
“Disk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disk. Accessed 20 May. 2026.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
