(1) A dBASE-like language. Originally almost identical to dBASE, new commands and features over the years made Xbase languages only partially dBASE compatible. See
CA-Clipper,
Visual FoxPro,
QuickSilver and
dBASE Plus.
(2) (xBase) A reference to certain Ethernet standards. For example, the "x" means 10, 100 or 1000 as in 10Base-T, 100Base-T or 1000Base-T. See
Ethernet and
10Base-T.