plural of procedure mask

plural of bag valve mask

(American football) A penalty in American football where one player grabs the face mask of an opposing player. There are two versions of this penalty: incidental face mask penalty and the more serious personal foul face mask penalty.

plural of face mask penalty

(medicine) A bag used to resuscitate a patient by supplying air or oxygen directly to the trachea and into the lungs.

plural of Hannibal Lecter mask

(colloquial) A mask that covers the lower part of a person's face to prevent biting.