ETYM Old Eng. mosel, Old Fren. musel, French museau muzzle or snout, Late Lat. musellus, from musus, morsus. Related to Muse, Morsel.
Forward projecting part of the head of certain animals; includes the jaws and nose.
1. To bind the mouth of; to fasten the mouth of, so as to prevent biting or eating
2. (Figuratively) To restrain from speech or action.