…a covering for all or part of the face, worn as a disguise, or to amuse or frighten others…
…a protective mask used to cover a person’s face as a defence against poison gas…
…a protective covering for the head and face, with holes for the eyes, nose, and mouth…
…a plaster cast taken of a dead person’s face, used to make a mask or model…
…a mask placed over the nose and mouth and connected to a supply of oxygen, used when the body is not able to gain enough oxygen by breathing air, for example at high altitudes, or because of a medical condition…
…a perforated metal screen situated directly behind the phosphor screen in certain types of colour television tube, having a pattern of precisely located holes through which the electron beams pass so as to strike the correct dots on the phosphor screen…
…a nylon stocking pulled over the face to disguise the features, used by criminals…
