house mouse

noun

Definition of house mouse

: a common nearly cosmopolitan grayish-brown mouse (Mus musculus) that usually lives and breeds about buildings, may act as a vector of diseases, and is an important laboratory animal

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First Known Use of house mouse

circa 1555

in the meaning defined above

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Medical Dictionary

house mouse

noun

medical Definition of house mouse

: a mouse that frequents houses; especially : a common nearly cosmopolitan grayish-brown mouse of the genus Mus (M. musculus) that lives and breeds about buildings, is an important laboratory animal, and is an important pest as a consumer of human food and as a vector of diseases

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