disk drive

noun Computers.

1. a device that, using an access mechanism under program control, enables data to be read from or written on a spinning magnetic disk, magnetic disk pack, floppy disk, or optical disk.

noun

1. computing the controller and mechanism for reading and writing data on computer disksSee also disk (def. 2)

1. Computer Science A device that reads data stored on a magnetic or optical disk and writes data onto the disk for storage.