n.
 (pl. mice)
     - a small rodent that typically has a pointed snout, relatively large ears and eyes, and a long tail. 
[Many species, especially in the family Muridae.]
 - a timid and quiet person.
 (pl. also mouses)
 a small hand-held device which is moved across a flat surface to move the cursor on a computer screen.- a dull light brown colour.
 - informal a lump or bruise on or near the eye.
 
v.
  - hunt for or catch mice.
 -  use a mouse to move a cursor on a computer screen.
 
 
  Derivative
  
  Etymology
  OE mūs, (pl.) mȳs, of Gmc origin.