from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A common gray or brownish-gray mouse (Mus musculus) that lives in or near buildings and often carries disease. It is frequently used in laboratory experiments.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The universally common mouse of the species Mus musculus.

from the GNU version of the Collaborative International Dictionary of English

  • n. the common mouse (Mus musculus).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. brownish-grey Old World mouse now a common household pest worldwide


Sorry, no etymologies found.


  • The effective population size of the prolific house mouse has been estimated at between 450,000 and 810,000 Keightley, P.

    The Edge of Evolution


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