mice

1. a small rodent that typically has a pointed snout, relatively large ears and eyes, and a long tail.
2. a small handheld device which is moved across a mat or flat surface to move the cursor on a computer screen.

   copy the file with a click of the mouse

   the right mouse button

3. a lump or bruise on or near the eye.

   she touched the mouse under her eye

Old English mūs, (plural) mȳs, of Germanic origin; related to Dutch muis and German Maus, from an Indo-European root shared by Latin and Greek mus .