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

Fragment’s lightning bolt logo appears on the custom date disc and sapphire caseback, while the brand name sits at 6 o’clock. —Rachel Cormack, Robb Report, 31 Dec. 2025

His 1984 follow-up disc, Pslams, continued what would become a string of six consecutive Top 10 gospel albums with the group through 1992. —Erik Pedersen, Deadline, 30 Dec. 2025

Braking is a single-disc setup at both ends, while telescopic front forks take care of front suspension and airbag twin rear shocks do the job at the back. —New Atlas, 30 Dec. 2025

An insurance company twice refused to cover the costs of spine surgery for an 18-year-old Texas woman diagnosed with degenerative disc disease — until NBC News reached out. —Rich Schapiro, NBC news, 30 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