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

Though Peterson never dealt with anything as serious as the herniated disc and microdiscectomy surgery that affected Porter, muscle cramping upended his season in Kansas and left scouts wondering about his long-term availability. — Candace Buckner, New York Times, 24 June 2026

While physical disc sales continue to decline, the Devil 2 release is fitting given that the original film’s popularity on DVD along with other ancillaries helped justify making a sequel after two decades. — Dade Hayes, Deadline, 23 June 2026

The set totals 30 discs on 4K UHD and Blu-ray. — Ryan Lattanzio, IndieWire, 22 June 2026

Once in space, the telescope is expected to provide a better look into space and our understanding of dark energy, and look for exoplanets and planet-forming discs. — Adam Harrington, CBS News, 21 June 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
• obelisk
• 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