English Reference

Word

disc

US/ˈdɪsk/

UK/dˈɪsk/

US spelling · disk

Definitions

01flat circular object

B1

n. a thin, flat, and round object.

n. a thin, flat, circular plate or similar geometric object.

“The sun looked like a glowing orange disc as it sank below the horizon.”

“The ancient artifact was a small bronze disc engraved with symbols that scholars believe represent the lunar cycle.”

Synonyms

02anatomy

B2 · Medicine

n. one of the flat pieces of cartilage between the bones in your back.

n. a layer of cartilage between the vertebrae in the spine that acts as a shock absorber.

“He had to stay in bed for a week after slipping a disc while lifting heavy boxes.”

“The patient complained of acute lower back pain resulting from a herniated disc that was pressing against a nerve.”

03music/media

B1

n. a flat, round object used to store music, films, or computer data.

n. a circular medium for the storage of digital or analogue information, such as a CD, DVD, or vinyl record.

“She still has a large collection of old vinyl discs from the 1970s.”

“The software is distributed on an optical disc, though most users now prefer to download the installer directly from the cloud.”

Synonyms

04flying toy

B1 · Sport

n. a plastic toy that you throw through the air for sport or fun.

n. a generic term for a flying disc used in recreational throwing or competitive sports.

“We spent the afternoon at the park throwing a plastic disc for the dog to catch.”

“The ultimate frisbee team practiced their long-range disc tosses despite the challenging wind conditions at the stadium.”

Synonyms

frisbee

05farming

C2 · Agriculture

v. to break up soil on a farm using a machine with sharp round plates.

v. to use a disc harrow to break up clods of earth and prepare a field for planting.

“The farmer needs to disc the field before he can plant the corn.”

“After the initial plowing, the tractor was used to disc the soil to a finer consistency suitable for the delicate vegetable seeds.”

Technical

Usage

The verb is transitive and takes the field or soil as its object.

Synonyms

Real-World Examples

“These discs are ring-shaped and consist of gas and dust; they are the birthplace of planets.”
ScienceDaily · 16 Sept 2026
“The results show that no single process controls how a planet-forming disk disappears.”
Phys.org · 25 Aug 2026

Etymology

From French disque, from Latin discus, from Ancient Greek δίσκος (dískos, “disk, quoit, platter”). Doublet of dais, desk, discus, dish, disk, and diskos.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

AgricultureAnatomyAviationBotany

This entry

Level
B2 · Upper Intermediate
Frequency
Common
Updated

Scan code

englishreference.com/q/disc

English Reference