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  • R.R.
    R.R.
    abbreviation
    railroad.
  • RR
    RR
    abbreviation
    (in the US and Canada) railroad

R.R.

American  

abbreviation

  1. railroad.

  2. Right Reverend.

  3. rural route.


RR British  

abbreviation

  1. (in the US and Canada) railroad

  2. Right Reverend

  3. (in the US and Canada) rural route

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The conquest took place around 300 years before the events of “Game of Thrones” and is detailed in George R.R.

From Los Angeles Times ● Sep. 29, 2026

How is it like to work with George R.R.

From Los Angeles Times ● Feb. 22, 2026

This is the same company that “brought back” the ice-age dire wolf with financial help from Game of Thrones author George R.R.

From Slate ● Aug. 8, 2025

With a few exceptions – “House of the Dragon” and other George R.R.

From Salon ● Mar. 31, 2023

Campbell’s claim is established in Literary Remains of the United, Irishmen, by R.R.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" by Various

It also sits relatively far from the center of the Milky Way and contains an extraordinary population of RR Lyrae variable stars.

From Science Daily ● Jul. 5, 2026

Looking ahead: “The security of that steady paycheck gives consumers the confidence to keep spending,” said Chip West, retail strategist at business-advisory firm RR Donnelley.

From MarketWatch ● Jun. 4, 2026

The production, titled Game of Thrones: The Mad King, will be set 10 years before the events of the TV series and is based on new material from Game of Thrones creator George RR Martin.

From BBC ● Feb. 21, 2026

The sale, run by RR Auction, includes some of Apple’s early items and childhood belongings of Jobs, Apple’s cofounder and chief executive, who died in 2011 at 56, after battling pancreatic cancer.

From Los Angeles Times ● Jan. 13, 2026

I am presently imployed in the I C RR.

From The Journal of Negro History, Volume 4, 1919 by Various

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