- a brownish-gray Old World mouse, Mus musculus, now common in the U.S. in or near houses.
Origin of house mouse
Examples from the Web for house mouse
Historical Examples of house mouse
The house-mouse was silent for a moment, out of respect for the other's emotion.
"It must be strange to feel like that," said the house-mouse.
"Good-bye, cousin, and au revoir to you," said the house-mouse.
She winked at the house-mouse to confirm the truth of her fib.
And the house-mouse also chose night for going to the larder.
- 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