
A large disk that stores information usually inside the computer.
Found on
http://www.amigahistory.co.uk/h.html

a case containing a number of rigid metal discs covered with magnetised material that can be used to store data - it usually has a capacity of several megabytes or even gigabytes
Found on
http://www.archivemag.co.uk/

(from the article `Computers and Information Systems`) A new technology called `perpendicular recording,` which sharply increased the amount of data that could be stored on a hard-disk drive, debuted in ... ...(1 in) in diameter. Anticipating that such consumer devices would sometimes accidentally be dropped, drive makers were...
Found on
http://www.britannica.com/eb/a-z/h/15

A disk drive with permanent storage platters.
Found on
http://www.encyclo.co.uk/local/20581

A built-in or off-line fixed storage medium which holds large amounts of data that can be accessed rapidly depending on the power of the computer
Found on
http://www.encyclo.co.uk/local/21048

A built-in or off-line fixed storage medium which holds large amounts of data that can be accessed rapidly depending on the power of the computer.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
No exact match found.