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 Universal Pictures released it on DVD in 2006, Miami Vice became one of the best-selling discs of all time, thanks in part to the inclusion of Mann's Director's Cut. —Britt Hayes, Entertainment Weekly, 16 June 2026

Braking comes courtesy of dual 310-mm floating front discs paired with radial ByBre calipers, along with a 270-mm rear disc and single-piston hydraulic caliper. —Utkarsh Sood june 16, New Atlas, 16 June 2026

One was a rotating disc that sent out beams of light. —Collin Binkley, Fortune, 15 June 2026

The rear uses a 220mm disc with a Nissin two-piston caliper. —Josh Max, Forbes.com, 12 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