A covering for the face with a filter to protect the user from poison gas.

A warm cap shielding the neck and head, often made out of wool and used in skiing, or stereotypically while committing a robbery.

Alternative spelling of facemask

plural of face mask

A plastic or rubber mask through which oxygen may be breathed from a storage tank.

plural of shadow mask

An ornament worn looped over the fingers during ceremonial dancing by various indigenous people of Alaska.

plural of finger mask

(television) A plate punched with tiny holes that separate the coloured phosphors in the layer behind the front glass of the screen. Three electron guns at the back of the screen sweep across the mask, with the beams only reaching the screen if they pass through the holes.

plural of sleep mask