disc

1 of 3

noun

variant spelling of disk

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

c

usually disc : optical disc: such as

(1)

: videodisc

(2)

: cd

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

disc

2 of 3

abbreviation

discount

disc-

3 of 3

combining form

variants or disci- or disco-

1

: disk

discoid

2

: phonograph record

discophile

Examples of disc in a Sentence

Recent Examples on the Web

Noun

When partially buried and expanded, that disc can resemble a mushroom cap. —Samantha Agate, Fort Worth Star-Telegram, 23 Apr. 2026

When partially buried and expanded, that disc can resemble a mushroom cap sitting low to the ground. —Samantha Agate, Kansas City Star, 23 Apr. 2026

He was recently diagnosed with a herniated disc in his back, but it is not expected to significantly hinder his draft stock. —Eddie Brown, San Diego Union-Tribune, 23 Apr. 2026

The move underlines D’Amaro’s emphasis on streaming, but the company has moved out of international physical-media markets in recent years, killed its Disney Movie Club in 2024, and later that year announced a deal with Sony Pictures Home Entertainment to outsource disc production and distribution. —Eric Vilas-Boas, Vulture, 20 Apr. 2026

Word History

Etymology

Combining form

Latin, from Greek disk-, disko-, from diskos

Rhymes for disc

• bisque
• brisk
• disk
• fisc
• fisk
• frisk
• risk
• whisk
• basilisk
• videodisc

Kids Definition

disc

variant of disk

Medical Definition

disc

noun

variants or disk

ˈdisk 

: any of various rounded or flattened anatomical structures: as

a

: a mammalian blood cell

b

: blind spot

c

: intervertebral disc see also slipped disc