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

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

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

(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.

A facemask worn to catch droplets and aerosols, which contain bacteria and viruses. / A medical-grade mask worn during medical procedures.

(medicine, infectious disease) A mask worn to catch bacteria shed in liquid droplets and aerosols from the wearer's mouth and nose. / A medical-grade mask worn during surgery.

A protective mask which covers the mouth and nose of the wearer, worn when in a dusty atmosphere, or when doing work which creates dust.

a blindfold made to ease sleeping by covering the eyes to block all light.