R.R.
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abbreviation
railroad.
Right Reverend.
rural route.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use R.R. in a sentence
British Dictionary definitions for R.R.
RR
abbreviation for
(in the US and Canada) railroad
Right Reverend
(in the US and Canada) rural route
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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