mouse

mouse /ˈmaʊs/ noun
plural mice /ˈmaɪs/
mouse
/ˈmaʊs/
noun
plural mice /ˈmaɪs/
Britannica Dictionary definition of MOUSE
[count]
1 
: a very small animal that has a pointed nose and a long, thin tail
— sometimes used figuratively to refer to a weak, frightened, or quiet person
— see picture at rodent
2 
plural also mouses : a small device that is connected to a computer and that you move with your hand to control the movement of a pointer on the computer screen
— see picture at computer