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

Developed in the 17th century, the system displays the time with an orbital disc (or discs) that indicates the hour and points to the minute along an arc that sits on the periphery of the dial. —Oren Hartov, Robb Report, 6 Dec. 2025

Frank gets Sidney to the hospital before returning to the investigation base and hands the Archive 6 disc to a politician who can launch a full inquiry. —Jp Mangalindan, Time, 5 Dec. 2025

For instance, there are disc brakes front and back compared to a disc/drum brake setup on the Owin. —New Atlas, 5 Dec. 2025

With the tether, surgeons say, patients can keep their range of motion without the risk of disc degeneration. —Kate Snow, NBC news, 4 Dec. 2025

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