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brown rat

American  

noun

  1. Norway rat.


brown rat British  

noun

  1. Also called: Norway rat. a common brownish rat, Rattus norvegicus : a serious pest in all parts of the world

"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

Etymology

Origin of brown rat

First recorded in 1820–30


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:

But has the city’s vilest enemy, better known as the common brown rat, finally met its match?

From Washington Times ● Apr. 12, 2023

"But it was our little brown rat and it was our responsibility to make sure it persisted. And we failed."

From BBC ● Feb. 19, 2019

Though the black rat was old news in Europe, the Norway, or brown, rat arrived on the continent in the early 17th century.

From New York Times ● Jan. 31, 2017

The culprit — known as the Norway rat or brown rat — can grow to 15 inches long, not including tail, and weigh over a pound.

From Seattle Times ● Aug. 23, 2016

Out of nowhere, a scrawny brown rat materialized on the side bench, nervous and breathless.

From "Life of Pi" by Yann Martel

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