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Norway rat

American  

noun

  1. an Old World rat, Rattus norvegicus, having a grayish-brown body with whitish underparts and a long, scaly tail, now common in the U.S. in or near homes, barns, wharves, etc.


Norway rat British  

noun

  1. another name for brown rat

"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 Norway rat

First recorded in 1745–55

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 average Norway rat can potentially jump vertically 3 feet, and horizontally 4 feet.

From Salon Sep. 5, 2022

This species “should be a dreamy candidate for de-extinction,” McCauley says, given its close relationship with the Norway rat, a well-studied lab animal with a complete genome sequence that scientists already know how to modify.

From Science Magazine Mar. 9, 2022

Interestingly enough the CDC does NOT list the Norway rat as a carrier of hantavirus, so the chance of catching a lethal disease in the debris cloud from above is not so bad.

From Slate Dec. 1, 2020

The Norway rat is an animal full of contradictions, starting with its common name.

From New York Times Jan. 31, 2017

The Norway rat was brought to our country on sailing vessels and causes more loss than most of us realize.

From Conservation Reader by Fairbanks, Harold W. (Harold Wellman)

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