disc

disc noun
or disk /ˈdɪsk/
plural discs or disks
disc
noun
or disk /ˈdɪsk/
plural discs or disks
Britannica Dictionary definition of DISC
[count]
1 
: a flat, thin, round object
2 
disk : a flat, thin, round object that is used to store large amounts of information (such as computer data)
— see also disk drive, floppy disk, hard disk, optical disk
3 
disc
a  : cd
b  old-fashioned : 1record 4 — see also disc jockey
4 
medical : one of the flat, rubbery pieces that separate the bones of the backbone
— called also intervertebral disc
— see also slipped disc