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

The measuring device is a small disc that snaps into the back of a person’s underwear. — Taylor Nicioli, CNN Money, 4 Sep. 2026

An annular tear is a small crack in the outer fibrous ring of a spinal disc. — Assistant Sports Editor, Los Angeles Times, 4 Sep. 2026

The lube is initially loaded into the device by pulling the Green Disc+'s two wheel discs apart from one another, then just squirting the liquid onto the lubricator wheel. — New Atlas, 2 Sep. 2026

The crystal decanter is inside of a sculpture designed by artist Daniel Arsham, which is meant to represent the eight decades the whisky spent in oak, and includes a copper disc from a decommissioned still at its center. — Jonah Flicker, Robb Report, 1 Sep. 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