variants
or disk
plural discs or disks
1
: a flat, thin, round object
a plastic disc
a cracker topped with a thin disk of sausage
2
: a flat, thin, round object that is used to store large amounts of information (such as computer data)
Insert the disk into the CD drive.
There isn't much disk space [=room for storage on a computer disk] left.
3
a
: cd
I don't have that recording on vinyl, but I have it on disc.
b
old-fashioned
: record entry 1 sense 4
4
medical
: one of the flat, rubbery pieces that separate the bones of the backbone
called also intervertebral disc
Cite this Entry
“Disc.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/disc. Accessed 24 Jun. 2026.
Copy Citation
