SCSI (skŭz'ē) n. A small computer system interface used for connecting peripheral devices, such as external disk drives and scanners, as used on personal computers.
SCSI (skŭz'ē) Pronunciation Key
Short for small computer system interface. A computer interface used for connecting peripheral devices, such as external disk drives and scanners, to personal computers and each other, consisting of 25-50 individual signal paths (usually wires) bundled together and sharing a single connector plug.