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Norway rat

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noun
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.
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Also called brown rat.

Origin of Norway rat

First recorded in 1745–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for Norway rat

Norway rat

noun
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
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