plural of RR

(US) Initialism of railroad. / (cycling) Initialism of road race. / Initialism of Rolls-Royce. / Initialism of reverse racism. / Initialism of real reality.

Abbreviation of Roraima, a state of Brazil.

(aviation, travel, dated) (from the status code used in the GDS) reconfirm / reconfirmed.

plural of V. R.

(Canada) Registered Retirement Savings Plan—a program regulated by the federal government of Canada, offering tax advantages to help Canadian residents accumulate financial wealth, through a wide range of investment instruments, in order to provide financial security and income during retirement.

plural of RRSP