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house mouse

noun
  1. a brownish-gray Old World mouse, Mus musculus, now common in the U.S. in or near houses.
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Origin of house mouse

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for house mouse

house mouse

noun
  1. any of various greyish mice of the Old World genus Mus, esp M. musculus, a common household pest in most parts of the world: family Muridae
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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