ORage> The mean time it takes to move the head of a {disk drive} from one {track} to another, averaged over the source and destination cylinders. The average seek time gives a good measure of the speed of the drive in a multi-user environment where successive read/write request are largely uncORrelated. Ten ms is common fOR a hard disk and 200 ms fOR an eight-speed CD-ROM. (1997-07-22)