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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.

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

“Shoppers are frustrated by prices, but they haven’t stopped spending,” said West, director of category strategy at RR Donnelley.

From MarketWatch • May 16, 2026

Rolls-Royce RR 0.00%increase; green up pointing triangle increased shareholder returns with a multiyear share buyback program of up to around $12 billion and raised its targets for 2028 after earnings grew last year.

From The Wall Street Journal • Feb. 26, 2026

RR — a rising third-grader whom the The Times agreed to identify by her initials to protect her and her family’s privacy — has attended the zoo program for two consecutive years.

From Los Angeles Times • Jul. 21, 2025

It is virtually certain that RR Centauri is a case of an eclipsing binary system, and that the two stars are close together.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)

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