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

In addition to the flawless transfer, the disc features hours of extra features in the form of an audio commentary, interviews with key cast and crew members, and a documentary devoted to the legacy of Steve James. — Jim Hemphill, IndieWire, 24 July 2026

The nova also spawned a thick disc of dust that completely obscured the binary star system. — Robert Lea, Space.com, 24 July 2026

The position can aggravate lower-back conditions including spinal stenosis, degenerative disc disease and spinal instability. — Hanna Wickes, Miami Herald, 23 July 2026

Physical therapists advise against it for people with spinal stenosis, degenerative disc disease, spinal instability or pain while lying on the stomach or bending forward. — Hanna Wickes, Kansas City Star, 23 July 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