intransitive verb
Definition: To search quietly and secretly for something, often in a careful or sneaky way.
Example: He decided to mouse around the house looking for his lost keys.
noun
Definition: A small rodent with a pointed snout, small rounded ears, and a long tail, often found in homes and fields. It can also refer to a device used to control a computer cursor.
Example: I saw a mouse scurrying across the kitchen floor.