muis

a more or less rounded anatomical body or mass

either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine

any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails

a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad