Definitions
1.verbTo move cautiously or furtively, in the manner of a mouse (the rodent) (frequently used in the phrasal verb to mouse around).
2.verbTo hunt or catch mice (the rodents), usually of cats.
3.verbTo close the mouth of a hook by a careful binding of marline or wire."Captain Higgins moused the hook with a bit of marline to prevent the block beckets from falling out under slack."
4.verbTo navigate by means of a computer mouse.
5.verbTo tear, as a cat devours a mouse.