Meaning of TSR in English

n. , pl. TSRs, TSR's .

a computer program with any of several ancillary functions, usu. held resident in RAM for instant activation while one is using another program.

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

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .