TSR (tēěs-är)
n.
A program, such as a spell checker or calendar, that remains loaded in memory so that it may be quickly recalled while another program is running, as found in operating systems which do not allow multitasking.

[TahlilGaran] American Dictionary ▲

tsr
[t(erminate and) s(tay) r(esident).]

[TahlilGaran] American Dictionary ▲

TSR
Terminate & Stay Resident

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲