disk

noun, often attributive
\ ˈdisk How to pronounce disk (audio) \
variants: or

Definition of disk

 (Entry 1 of 2)

1a : the seemingly flat figure of a celestial body the solar disk
b archaic : discus
2 : any of various rounded and flattened animal anatomical structures especially : intervertebral disk — compare slipped disk
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 disk: such as
(1) : videodisc
(2) : cd
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

disk

verb
variants: or disc
disked or disced; disking or discing; disks or discs

Definition of disk (Entry 2 of 2)

transitive verb

: to cultivate with an implement (such as a harrow or plow) that turns and loosens the soil with a series of discs

Illustration of disk

Illustration of disk

Noun

disk 3 D

In the meaning defined above

Keep scrolling for more

Other Words from disk

Noun

disklike \ ˈdisk-​ˌlīk How to pronounce disklike (audio) \ adjective

Examples of disk in a Sentence

Recent Examples on the Web: Noun

Like solar systems that take shape from disks of gas around stars, galaxies are subject to similar physical phenomena but at much larger scales. Wired, "Space Photos of the Week: Hurricane Dorian and Other Spirals," 7 Sep. 2019 The gravity of the black hole rips the star to pieces, creating a disk of debris. Jason Daley, Smithsonian, "Astronomers Puzzle Over Short-Lived Glowing Green Light Bursts," 6 Sep. 2019 The planet probably got its start like any other—from a disk of space crud orbiting a star. Scientific American, "Test Pilot Geese, Planetary Wrecking Balls and Super AI Vision: The Week’s Best Science GIFs," 6 Sep. 2019 To avoid being dazzled by the bright disk of Earth, the telescope would need a mask, known as a coronagraph, to block it out. Daniel Clery, Science | AAAS, "Space telescope would turn Earth into a giant magnifying lens," 6 Aug. 2019 Dover sole is presented with the solemnity of a religious rite, arriving via cart on a silver pan, filleted tableside and served with lobster sauce and hazelnuts alongside a crispy disk of black rice inlaid with edamame. Phil Vettel, chicagotribune.com, "Triple-threat dining: Aboyer and Silencieux join George Trois for a Winnetka trifecta," 5 Aug. 2019 The galaxy’s disk of stars and gas is mostly thin and flat toward the middle. Nadia Drake, National Geographic, "The Milky Way is warped around the edges, new star map confirms," 1 Aug. 2019 Had there been mountains, mafias, a river, or the hairy disks of prickly pears shining in the sun? Colin Barrett, Harper's magazine, "“Just Keep Going North”," 5 July 2019 At this stage, they are still surrounded by large disks of gas and dust, which can serve as the birth place of planets. John Timmer, Ars Technica, "Star’s dimming and brightening may indicate it’s eating a planet," 20 July 2018

Recent Examples on the Web: Verb

Size: Disk up to 0.7 inch (1.7 centimeters) wide; stalk up to 0.3 inch (0.8 centimeter) tall IUCN Red List Status: National Geographic, "8 Real-Life ‘Fantastic Beasts’ and Where to Find Them," 18 Nov. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disk.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of disk

Noun

1664, in the meaning defined at sense 1a

Verb

circa 1884, in the meaning defined above

History and Etymology for disk

Noun

Latin discus — more at dish

Keep scrolling for more

Learn More about disk

Statistics for disk

Last Updated

13 Oct 2019

Look-up Popularity

Time Traveler for disk

The first known use of disk was in 1664

See more words from the same year

Keep scrolling for more

More Definitions for disk

disk

noun
variants: or disc \ ˈdisk \

Kids Definition of disk

1 : something that is or appears to be flat and round
2 usually disc : cd
3 : a round, thin, flat plate coated with a magnetic substance on which data for a computer is stored
4 usually disc : a phonograph record

Other Words from disk

disklike \ -​ˌlīk \ adjective

disk

noun
variants: or disc \ ˈdisk How to pronounce disc (audio) \

Medical Definition of disk

: any of various rounded or flattened anatomical structures: as
a : a mammalian blood cell

Keep scrolling for more

More from Merriam-Webster on disk

Rhyming Dictionary: Words that rhyme with disk

Spanish Central: Translation of disk

Nglish: Translation of disk for Spanish Speakers

Britannica English: Translation of disk for Arabic Speakers

Comments on disk

What made you want to look up disk? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to be made up of

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!