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

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

Sea stars, in general – like Australia's invasive Northern Pacific sea star (Asterias amurensis) – can lose limbs or even much of their body in an attack and regrow the tissue, as long as their central disc that houses their stomach remains intact. —New Atlas, 20 July 2025

Ancient Meteorites In the solar system, ancient meteorites sometimes contain crystalline minerals that contain silicon monoxide, which can condense at the extremely high temperatures present in young planetary discs to form planets. —Jamie Carter, Forbes.com, 16 July 2025

Pick safe toys: Choose small, flat toys like flying discs instead of large ones that might encourage gulping water. —Lucy Notarantonio, MSNBC Newsweek, 15 July 2025

Its motor, wheels, and even plastic cover seemed louder than the disc blades spinning and shaving the grass. —PC Magazine, 10 July 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