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

Justin Thomas had his caddie place hole-sized discs on every corner of the 17th green at Aronimink on Monday, all of them perched on knobs. —ABC News, 11 May 2026

Messier 77 is also an active spiral galaxy with a disc rich in gas and dust, which both feeds and results from new star formation. —Bojan Stojkovski, Interesting Engineering, 10 May 2026

According to an update from the National Highway Traffic Safety Administration (NHTSA), spotted by MotorTrend, the issue pertains to the vehicle's brake rotors—the circular metal discs that spin with your car's wheels—not the wheels themselves. —Will McCurdy, PC Magazine, 10 May 2026

My eye goes first to a thin disc propped up on a wooden stand. —Bill Addison, Los Angeles Times, 9 May 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