slipped disc
noun
also chiefly US
slipped disk
plural
slipped discs
also chiefly US
slipped disks
also chiefly US
slipped disk
plural
slipped discs
also chiefly US
slipped disks
Britannica Dictionary definition of SLIPPED DISC
[count]
medical
:
an injury to the spine in which one of the connecting parts between the bones slips out of its proper position and causes back pain