mouse (Noun) — Any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails.
mouse (Noun) — A swollen bruise caused by a blow to the eye.
mouse (Noun) — Person who is quiet or timid.
mouse (Noun) — A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around. ex. "a mouse takes much more room than a trackball"
mouse (Verb) — To go stealthily or furtively. ex. "..stead of mousing around spying on the neighbour's house"
mouse (Verb) — Manipulate the mouse of a computer.
mouse (Verb) — Hunt or catch mice.