R.R.
English
editNoun
editR.R.
- Alternative form of RR
Usage notes
editThis is the customary abbreviation for railroad as used in American case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Case Names and Institutional Authors in Citations", Table T6, p. 430–431.
Latin
editAdjective
editR.R.
- Alternative form of RR