@JGoldman10,
According the Merriam-Webster Dictionary:
see copy from below -
mouse noun
\ ˈmau̇s \
plural mice\ ˈmīs \
Definition of mouse (Entry 1 of 2)
1: any of numerous small rodents (as of the genus Mus) with pointed snout, rather small ears, elongated body, and slender tail
2plural also mouses : a small mobile manual device that controls movement of the cursor and selection of functions on a computer display
3: a timid person
4: a dark-colored swelling caused by a blow
specifically : BLACK EYE