house mouse

noun

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

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

Word History and Origins

Origin of house mouse¹

First recorded in 1825–35