A floppy disk is an old-fashioned storage device that was used to save and transfer information. It was a flat, thin piece of plastic that could hold a small amount of data. Full definition
I have one of those e-books distributed on floppy disk. (accordingtohoyt.com)
If you had bought an electronic subscription to the same magazine in the early 1990s you may have received issues on 5 and a quarter inch floppy disks. (slaw.ca)
I can not even remember the last time I saw this many floppy disks in one place. (treehugger.com)