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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

From his bedroom window, Mr. Matallana-Puerto saw that the brown rat accounted for 88 percent of all animal visits to feijoa flowers.

From New York Times Jun. 22, 2022

"The Bramble Cay melomys was a little brown rat," said Tim Beshara, a spokesman for advocacy group The Wilderness Society.

From BBC Feb. 19, 2019

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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