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Definition of disk

disk

/dɪsk/
(UK: disc)
disk

Plural:disks
•
Adjective:discoid
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Past Simple:disked
•
Past Participle:disked
•
Present Participle:disking
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disk Lexical Profile

disk Game Scores & Validity

• noun

1

A data storage device consisting of a flat, circular plate coated with a magnetic material.

Example

"Make sure you back up all your critical files to the external hard disk before updating the operating system."


2

A flat, thin, circular object or surface.

Example

"The setting sun looked like a glowing red disk resting on the ocean horizon."


3

A flat, circular plate of cartilage that separates adjacent vertebrae in the spine.

Example

"She had to undergo physical therapy after suffering from a herniated disk in her lower back."

Synonyms
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• verb

1

North American To plow or break up (soil) using a disk harrow in preparation for planting.

Example

"The farmer disked the field early in the morning to prepare the soil for the spring crops."

Synonyms
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Word Nuance & Usage

In modern computing, 'disk' is typically used for magnetic storage (e.g., hard disk), while 'disc' is reserved for optical media (e.g., compact disc). Outside of computing, 'disc' is the preferred British English spelling, while 'disk' is preferred in American English.

• Rhymes for disk

Word Origin & Etymology

From Latin 'discus' (quoit, dish), which derives from the Greek 'diskos' (quoit, disk), related to 'dikein' (to throw).

Cite this Entry


Wordmom. (2026). Definition of Disk. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/disk
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