plural of sheet mask

A protective mask which covers the mouth and nose of the wearer, worn during construction and industrial activities.

plural of paint mask

Synonym of surgical mask

plural of SARS mask

plural of masked finch

A species of estrildid finch, Poephila personata, endemic to northern Australia.

plural of face mask penalty

(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.

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