mouse

Mouse has 1 syllable.

verb. To go stealthily or furtively.

noun. A swollen bruise caused by a blow to the eye.

noun. 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.

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