This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Physiology The concealment or screening of one sensory process or sensation by another.

n. A piece of theatrical scenery used to conceal a part of the stage from the audience.

v. Present participle of mask.

n. The act or diversion of covering the face with a mask, or of wearing a masquerade dress; masquerading.

n. In photography, a device adopted in printing from an imperfect negative, consisting in pasting tissue-paper on the reverse side of the negative over the portions of the picture which print too deeply.

n. scenery used to block the audience's view of parts of the stage that should not be seen

n. the act of concealing the existence of something by obstructing the view of it

n. the blocking of one sensation resulting from the presence of another sensation

"Built upon decades of lying, deceit and sleight of hand, the European Union has been carefully crafted from its beginnings as a simple treaty on shared access to coal and steel, through an ongoing succession of treaties over a 60-year period to the final implementation of an imperial constitution, as usual with a title masking its true nature, the Lisbon Treaty."

masked    masking    masks   

concealing    concealment    hiding    cover    disguise   

disguise    masker    cloak    ball    uterine mask   

mascaron   

death mask    sleep mask    Mask house    unmask   

masquerade    frolic    masker    disguise    cover   

Ask    Basque    Pasch    Rask    ask   

cloak    expression    helmet    smile    cap