DCHP-1 Online
R.R. 
1 the colony established by Lord Selkirk in the valley of the Red River in Manitoba in 1812.
See also: R.R.S.
- 1862 Being a subscriber to a foreign Weekly Paper I pay,--First, for subscription 8s. Second, U.S. and R.R. postage 6s. 6d
2 a mail-delivery route outside an urban area.
See also: rural route
- 1963 [The] body was discovered by Cecil Lane of RR 3, Watford, a farmer on whose land the cottage stands.
- 1862 Being a subscriber to a foreign Weekly Paper I pay,--First, for subscription 8s. Second, U.S. and R.R. postage 6s. 6d