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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

The stage prequel will tell an original story, based on new material from author and executive producer George RR Martin.

From BBC • Feb. 18, 2026

Rolls-Royce RR -0.30%decrease; red down pointing triangle said strong demand across all its business areas means it is on track to meet its full-year targets.

From The Wall Street Journal • Nov. 13, 2025

Referring to the diagram, let the inner circle represent the earth's surface, the outer circle the limits of the atmosphere, C being the earth's centre, and RR radii of the earth.

From A History of Science — Volume 2 by Williams, Henry Smith

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