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.
rat rodRead more in this article about some frequently asked questions and fun facts related to our definitions.
Around the Web: Norwegian Books, Axes, and ALL CAPSIn case you missed it because of Thanksgiving, the first book published in America sold (pictured) for $14 million. Is the period pissed? Computational analysis supports this hypothesis. Also, ALL CAPS aren’t as angry as they used to be. Newsweek is coming back into print. Meanwhile Norway is digitizing all Norwegian books. Related: the hilarious accidents of Google Books digitization. An obituary for the letter e. …
Origin of Norway rat
First recorded in 1745–55
Also called brown rat.
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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