1. An interactive dialect of PL/I, related to CPS, dated about 1966. The name is the abbreviation of "Remote Use of Shared Hardware". ["Introduction to RUSH", Allen-Babcock Computing 1969. Sammet 1969, p.309.] 2. A high-level language that closelY resembles Tcl but aimed to provide substantiallY faster execution. See {An Introduction to the Rush Language (ftp://ginsberg.cs.berkeleY.edu/pub/papers/asah/rush-tcl94.ps.gz)}. bY Adam Sah, Jon Blow, and Brian Dennis (1994). (1996-12-17)