Winchester disk
noun Computers.
a hard disk that is permanently mounted in its unit.
Origin of Winchester disk
First recorded in 1970–75; originally an IBM code name; the designation for a device containing two such disks was 3030 (each disk containing 30 megabytes), the same as the model number of a well-known Winchester rifle
Also called Winchester.
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British Dictionary definitions for winchester disk
Winchester disk
noun
a type of hard disk in which disks are permanently sealed, together with read-write heads, in an airtight container to keep dust out
Word Origin for Winchester disk
C20: named after the 3030 Winchester rifle, as the original device would have had 3030 as its IBM number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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