Search Dictionary
Definition of disk

disk

/dɪsk/
(UK: disc)
disk

Plural:disks
•
Adjective:discoid
•
Past Simple:disked
•
Past Participle:disked
•
Present Participle:disking
JUMP TO:

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
View all synonyms for disk

• 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
View all synonyms for disk

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).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Disk. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/disk
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.