mask

[mɑːsk]
n
any covering for the whole or a part of the face worn for amusement, protection, disguise, etc
a fact, action, etc, that conceals something
his talk was a mask for his ignorance
another name for masquerade
a likeness of a face or head, either sculpted or moulded, such as a death mask
an image of a face worn by an actor, esp in ancient Greek and Roman drama, in order to symbolize the character being portrayed
a variant spelling of masque
a sterile gauze covering for the nose and mouth worn esp during operations to minimize the spread of germs
a protective covering for the face worn for fencing, ice hockey, etc
a carving in the form of a face or head, used as an ornament
a natural land feature or artificial object which conceals troops, etc, from view
a device placed over the nose and mouth to facilitate or prevent inhalation of a gas
a shield of paper, paint, etc, placed over an area of unexposed photographic surface to stop light falling on it
a thin sheet of material from which a pattern has been cut, placed over a semiconductor chip so that an integrated circuit can be formed on the exposed areas
a bit pattern which, by convolution with a second pattern in a logical operation, can be used to isolate a specific subset of the second pattern for examination
a large prehensile mouthpart (labium) of the dragonfly larva
the face or head of an animal, such as a fox, or the dark coloration of the face of some animals, such as Siamese cats and certain dogs
another word for face pack
a person wearing a mask
vb
to cover with or put on a mask
to conceal; disguise
to mask an odour
to shield a particular area of (an unexposed photographic surface) in order to prevent or reduce the action of light there
to shield a particular area of (a surface to be painted) with masking tape
to cover (cooked food, esp meat) with a savoury sauce or glaze
a Scot variant of mash