floppy disk

noun

1. Computers. a thin plastic disk coated with magnetic material, on which computer data and programs can be stored for later retrieval.

noun

1. a flexible removable magnetic disk that stores information and can be used to store data for use in a microprocessorAlso called: diskette, flexible disk

1. A flexible plastic disk coated with magnetic material and covered by a protective jacket, used for storing data. Floppy disks were once the principal storage medium for personal computers, but inexpensive hard disks and writable compact disks have greatly diminished their role.