a collection of magnetic disks stacked vertically and encased in a cover and which can be used as a storage device for a computer
disk pack in American English
noun
Computing
a cylinder containing several magnetic disks that can be installed in or removed from a disk drive as a unit: used for data storage and retrieval
Word origin
[1965–70]This word is first recorded in the period 1965–70. Other words that entered Englishat around the same time include: Finlandization, T cell, red-eye, stun gun, wraparound