A magnetic disk which is used to store data . They come in 3.5 5.25 inch diameter variants. Floppy disks are often used to transfer files from one PC to another or to backup important files.
FLOPPY DISK
Meaning of FLOPPY DISK in English
English glossary of Internet and PC terminology. Английский глоссарий Интернет и ПК терминологии. 2012