noun
diskette
dis-KET/dɪsˈket/
A small removable magnetic storage disk in a protective case.
The diskette has a square plastic case and a sliding metal shutter.

Etymology
The disk element evokes a flat, round object, while -ette makes it a “little disk.” The computer term applies that shape-based name to a small magnetic storage disk.
In context
the only thing i got to see mercy was a diskette
More examples
- The old computer had a diskette drive.
- A labeled diskette lay beside the keyboard.
- The archive transferred the diskette’s contents to newer storage.
Forms
diskette · diskettes
Similar words
- floppy disk
- Floppy disk is the usual equivalent for this kind of storage medium.
- hard drive
- A hard drive uses rigid disks inside a drive; a diskette is a removable flexible magnetic disk in a case.